Instruct: Given a question, retrieve documents that can help answer the question.
Query: How many professional basketball teams are there in Puerto Rico?
Puerto Rico currently has a professional league called the Puerto Rico Soccer League which was founded in 2008 and is composed of 8 teams. It also had the Puerto Rico Islanders, which played in the North American Soccer League, the second tier of the American Soccer Pyramid. The team has been defunct since 2012; however, in June 2015 a new NASL team, Puerto Rico FC, was announced.
In 2017, Puerto Rico Sol became the first women’s pro soccer club in the Caribbean.
Puerto Rico Sol play most of their home matches at Mayaguez Athletics Stadium in Mayaguez, Puerto Rico. 
Mayaguez Stadium is owned by the city of Mayaguez and has a capacity of 12,800 with 5,100 of those being roofed seats.
The Mayagüez Athletics Stadium hosted the athletics and soccer games of the 2010 Central American and Caribbean Games.
The Mayagüez Athletics Stadium is 13,000 capacity stadium in Mayagüez, Puerto Rico opened in 2010.  
The stadium is owned by City of Mayaguez, and operated by Puerto Rico Sol. It hosted the athletics and soccer games of the 2010 Central American and Caribbean Games. In 2019 the stadium will host invitational tournament Puerto Rico Cup. The stadium has a soccer field based on the requisites of International Federation of Association Football, it will also have a 400-meter track which complies with the parameter of the International Association of Athletics Federations.
Lower New England has a high concentration of Puerto Ricans. Connecticut has the highest concentration of Puerto Ricans of any state and has large Puerto Rican populations throughout the state, with the largest in Hartford, Bridgeport, New Haven, Meriden, New Britain, New London, and Willimantic. Though, half of the Puerto Rican population in the New England area is situated along the Interstate-91 corridor, extending from New Haven in Connecticut to Holyoke in Massachusetts. In Massachusetts, the largest Puerto Rican populations are in Holyoke, Springfield, Fitchburg, Lowell, Worcester, Lawrence, Lynn, Boston, Southbridge, Haverhill, Chicopee, and Chelsea. The highest percentage of Puerto Ricans in the US can be found in Holyoke. Large portions of the state's Puerto Rican population is in the Boston area. Puerto Ricans continue to dominate in the central part of the state. In Rhode Island, the vast majority of Puerto Ricans live in Providence County, especially the cities of Providence and Pawtucket.
In successive years, other clubs such as Ñaró, Estudiantes (LP), River Plate, Gimnasia y Esgrima, Universitario and Racing) registered their teams to the Federation. On August 30, 1929, the Argentine Basketball Federation (current "Confederación Argentina") was established, with founder members from Buenos Aires, Córdoba, Santa Fe, La Rioja, North Federation and Bahía Blanca. The Federación Argentina focused on the spread of basketball in Buenos Aires as in the rest of the provinces of Argentina.
By the 1949-50 season, several new ballparks were built, each containing 6,000 or more seats. The largest new stadium was Ponce's Estadio Francisco Montaner with 9,718 seats. Montaner has the distinction of being the first stadium in Puerto Rico that installed an artificial surface field. The installation of lights, which allowed for night games, further boosted stadium attendances. The Stadium was named to honor Francisco "Paquito" Montaner, one of the greatest Puerto Rican pitchers of all times.
Bilbao Athletic, officially named Athletic Club "B", is the reserve team of Athletic Bilbao, a football club based in Bilbao, in the autonomous community of Basque Country. The team will play in the Segunda División B in the 2018–19 season. Founded in 1964, the team holds home matches at the small stadium attached to the club's training facility at Lezama, or occasionally at San Mamés Stadium, with its 53,500-seat capacity, for important fixtures.
While there is a Puerto Rican demographic throughout all of Holyoke today, the neighborhoods of South Holyoke, The Flats, and Churchill are among those areas with the largest Puerto Rican populations proportionally, all having more than 75% residents of Puerto Rican heritage, with South Holyoke having the most proportionally, with 87.5% of all residents being of Puerto Rican heritage.
The official Spanish name of the Commonwealth of Puerto Rico is "Estado Libre Asociado de Puerto Rico", literally, "Associated Free State of Puerto Rico", expressing a "politically organized community” or “State,” which is simultaneously connected by a compact to a larger political system and hence does not have an independent and separate status. However, according to the United States Supreme Court, Puerto Rico is not free or associated; it is only a state in the general sense, not as a state of the Union in the U.S. constitutional sense. According to consistent U.S. Supreme Court jurisprudence, Puerto Rico belongs to but is not an integral part (Organized incorporated territory) of the United States. Moreover, the said jurisprudence has determined that regardless of what nominal or cosmetic veneer has moted Puerto Rico's political status, it is essentially a U.S. colonial territory, since it is under the plenary powers of the U.S. Congress. At its most basic, this Supreme Court doctrine expresses that Puerto Rico is more like property, far from a free-governing community or nation, and thus "domestic in a foreign sense" (not for the taking or meddling by free foreign nations), but "foreign in a domestic sense" (not a partner or an equal). In the Insular Cases, the Court ruled that the United States Constitution does not automatically apply in Puerto Rico.
Rugby union is played professionally, recreationally and in colleges, though it is not governed by the NCAA (see college rugby). An estimated 1.2 million people in the United States play rugby. The U.S. national team has competed at the Rugby World Cup. In rugby sevens, the men's national team is one of 15 "core teams" that participate in every event of the annual World Rugby Sevens Series, and the women's national team is one of 11 core teams in the Women's Sevens Series. The professional domestic club competition PRO Rugby began play in April 2016, but lasted only one season; a second attempt at a professional league, Major League Rugby, launched in 2018.
Rugby union participation in the U.S. has grown significantly in recent years, growing by 350% between 2004 and 2011. A 2010 survey by the National Sporting Goods Manufacturers Association ranked rugby union as the fastest-growing sport in the U.S. The sports profile in the U.S. has received a tremendous boost from the IOC's announcement in 2009 that rugby union would return to the Olympics in 2016. Since the Olympic announcement, rugby union events such as the Collegiate Rugby Championship, the USA Sevens, and the Rugby World Cup have been broadcast on network TV. The USA Sevens, held every year in February or March as part of the World Rugby Sevens Series and adding a parallel women's event in the World Rugby Women's Sevens Series in 2017, regularly draws more than 60,000 fans to Sam Boyd Stadium in Las Vegas.
The Brooklyn Nets are an American professional basketball team based in Brooklyn, New York. They are a member of the Atlantic Division of the Eastern Conference in the National Basketball Association (NBA). The team plays its home games at the Barclays Center. The franchise was founded as the New Jersey Americans in 1967, and was one of the eleven original American Basketball Association (ABA) teams. In its second ABA season, Arthur Brown, the team owner, moved the team to Long Island and renamed it the New York Nets. The team won ABA championships in 1974 and 1976. When the ABA merged with the NBA in 1976, the Nets were one of four ABA teams admitted into the NBA. The team was moved to the Rutgers Athletic Center in New Jersey; after the 1976–77 NBA season, the team was renamed the New Jersey Nets. Since they joined the NBA, the Nets have won 4 divisional championships, 2 conference championships and appeared in the playoffs 16 times. The Nets moved to Brooklyn in 2012, and now play as the Brooklyn Nets.
The Argentina national basketball team represents Argentina in basketball international competitions, and is controlled by the Argentine Basketball Federation. (). The national team was formed in 1921, playing its first game v. Uruguay that same year.
Francisco ("Paquito") Montaner García (August 16, 1894 – April 5, 1945) was a Puerto Rican pitcher from Ponce. He was the first baseball player to throw a "no-hitter" in Puerto Rican baseball, an event that took place on 10 December 1911. He is honored with the name of one of the largest stadiums in Puerto Rico, the professional baseball league's Francisco Montaner Stadium in Ponce. In 1955, he was inducted into the Puerto Rico Sports Hall of Fame and, in 1983, into the "Galeria de los Inmortales del Deporte Ponceño" (Ponce's Gallery of the Inmortals of Ponce Sports).
After Puerto Rico was ceded to the United States as part of the Treaty of Paris, the United States and Puerto Rico began a long-standing metropolis-colony relationship. It is at this time that Puerto Rico became subject to the Commercial and Territory Clause of the U.S. Constitution, clauses that restrict how and with whom can Puerto Rico engage internationally. The territory also became, as a byproduct, subject to the different treaties and trade agreements ratified by the United States.
The Portland Trail Blazers, commonly known as the Blazers, are an American professional basketball team based in Portland, Oregon. The Trail Blazers compete in the National Basketball Association (NBA) as a member of the league's Western Conference Northwest Division. The team played its home games in the Memorial Coliseum before moving to Moda Center in 1995 (called the Rose Garden until 2013). The franchise entered the league as an expansion team in 1970, and has enjoyed a strong following: from 1977 through 1995, the team sold out 814 consecutive home games, the longest such streak in American major professional sports at the time, and only since surpassed by the Boston Red Sox. The Trail Blazers have been the only NBA team based in the bi-national Pacific Northwest, after the Vancouver Grizzlies relocated to Memphis and became the Memphis Grizzlies in 2001, and the Seattle SuperSonics relocated to Oklahoma City and became the Oklahoma City Thunder in 2008.
Puerto Ricans have United States citizenship and vote for a Resident Commissioner of Puerto Rico, with voice but without vote, in the United States House of Representatives. With the exception of federal employees (such as employees of the United States Postal Service, Federal Bureau of Investigation, and servicemen in all branches of the military), residents of Puerto Rico generally do not pay federal income taxes (with the exception of Social Security and Medicare taxes) and Puerto Rico has no representation in the Electoral College that ultimately chooses the U.S. president and vice president.
Despite the Spanish translation of the term "commonwealth", Puerto Rico's relationship with United States is not a Compact of Free Association (which is the case for the Federated States of Micronesia, Palau, and the Marshall Islands). As sovereign states, these islands have full right to conduct their own foreign relations, while the Commonwealth of Puerto Rico is part of the United States as a territory. The Popular Democratic Party of Puerto Rico says that in 1952 there was a pact between Puerto Rico and the United States that gave Puerto Rico an autonomous government and removed it from the list of colonies.
On March 2, 1917, the Jones–Shafroth Act was signed, collectively making Puerto Ricans United States citizens without rescinding their Puerto Rican citizenship. In 1922, the U.S. Supreme court in the case of "Balzac v. Porto Rico" ruled that the full protection and rights of the U.S constitution do not apply to residents of Puerto Rico until they come to reside in the United States proper. Luis Muñoz Rivera, who participated in the creation of the Jones-Shafroth Act, gave a speech in the U.S. House floor that argued in favor of Puerto Rican citizenship. He declared that "if the earth were to swallow the island, Puerto Ricans would prefer American citizenship to any citizenship in the world. But as long as the island existed, the residents preferred Puerto Rican citizenship." The Jones Act allowed locals to renounce the United States citizenship and remain exclusively Puerto Rican citizens, at the cost of being stripped of the right to vote. Despite these arbitrary limitations, 287 residents completed the process to forfeit the statutory recognition.
The Portland Trail Blazers are an American professional basketball team based in Portland, Oregon. They play in the Northwest Division of the Western Conference of the National Basketball Association (NBA). The franchise was founded in the 1970–71 NBA season.
The Portland Trail Blazers, commonly known as the Blazers, are an American professional basketball team based in Portland, Oregon. They play in the Northwest Division of the Western Conference in the National Basketball Association (NBA). The Trail Blazers originally played their home games in the Memorial Coliseum, before moving to the Rose Garden (renamed the Moda Center in 2013) in 1995. The franchise entered the league in 1970, and Portland has been its only home city. The franchise has enjoyed a strong following; from 1977 through 1995, the team sold out 814 consecutive home games, the longest such streak in American major professional sports. The Trail Blazers are one of two teams in the major professional North American sports leagues located in the state of Oregon, with the other being the Portland Timbers. The Trail Blazers are also currently the only NBA team based in the binational Pacific Northwest, after the Vancouver Grizzlies relocated to Memphis and became the Memphis Grizzlies in 2001, and the Seattle SuperSonics relocated to Oklahoma City and became the Oklahoma City Thunder in 2008.
Basketball was introduced in Argentina in 1912 by the "Asociación Cristiana de Jóvenes" (Young Men's Christians Association – YCMA), with the first Federation created in 1921 to organise the competitions. In 1929, the Argentine Basketball Federation ("Confederación Argentina de Basketball") was established. The body currently controls the Argentina national team.
Other sports include professional wrestling and road running. The World Wrestling Council and International Wrestling Association are the largest wrestling promotions in the main island. The World's Best 10K, held annually in San Juan, has been ranked among the 20 most competitive races globally. The "Puerto Rico All Stars" team, which has won twelve world championships in unicycle basketball.
American Football has been played in the island for many decades, dating all the way back to the installment of American military bases. Puerto Rico currently has 4 football leagues. PR Pee Wee league, for children 8-16, PRHSFL, for high school students, the newly created AFAF, for college students, and PRAFL, a semi-professional league. Although football has been in the island for so many years, it is not widely known. Many things attribute to this, for example lack of proper funding and advertising, lack of high school affiliated teams, both attributing to lack of good coaching. In July 2012, the Puerto Rico American Football Federation became a member of the International Federation of American Football.
The 1970s brought some memorable moments for the team, particularly a dramatic one-point loss to the United States at the 1976 Olympics in Montreal, where a win by Puerto Rico would have been the first undisputed basketball loss for the United States team at an Olympic competition. Also, the 1974 World Championship and the 1979 Pan American Games were held in San Juan, promoting local enthusiasm for international basketball and Puerto Rico's presence in it. The 7th and 10th places at the 1974 and 1978 World Championships, where the team, led by Hector Blondet and Rubén Rodríguez respectively, saw 2–5 and 4–3 finishes, became turning points for the Puerto Rican team. The 4–3 showing in 1978 in the Philippines was the first time ever the team finished with a positive record at a World Championship. These achievements were accompanied by golds at the 1973 CentroBasket and the 1978 Central American and Caribbean Games. In all, Puerto Rico continued its regional success and was able to medal in all regional competitions.
The Puerto Rico national basketball team joined the International Basketball Federation in 1957. Since then, it has won more than 30 medals in international competitions, including gold in three FIBA Americas Championships and the 1994 Goodwill Games August 8, 2004, became a landmark date for the team when it became the first team to defeat the United States in an Olympic tournament since the integration of National Basketball Association players. Winning the inaugural game with scores of 92–73 as part of the 2004 Summer Olympics organized in Athens, Greece. Baloncesto Superior Nacional acts as the top-level professional basketball league in Puerto Rico, and has experienced success since its beginning in 1930.
Puerto Rico is also a member of FIFA and CONCACAF. In 2008, the archipelago's first unified league, the Puerto Rico Soccer League, was established.