question: Which professional American football team is the only franchise to win championships while representing three different cities and was the team that Jack Youngblood played for?
answer: Los Angeles Rams
context: Title: 1995 World Series
  Passage: The 1995 World Series was the 91st edition of Major League Baseball's championship series, a best-of-seven playoff played between the National League (NL) champion Atlanta Braves and the American League (AL) champion Cleveland Indians.  The Braves won in six games to capture their third World Series championship in franchise history (along with 1914 in Boston and 1957 in Milwaukee), making them the first team to win three crowns in three different cities.  This was also Cleveland's first Series appearance in 41 years and marked the resumption of the Fall Classic after the previous year's Series was canceled due to a players' strike.
  Title: List of Green Bay Packers players: A–D
  Passage: The Green Bay Packers are a professional American football franchise based in Green Bay, Wisconsin.  They are currently members of the North Division of the National Football Conference (NFC) in the National Football League (NFL), and are the third-oldest franchise in the NFL.  Founded in 1919 by coach, player, and future Hall of Fame inductee Curly Lambeau and sports and telegraph editor George Whitney Calhoun, the Packers organization has become one of the most successful professional football teams, having won a total of 12 professional American football championships—nine NFL Championships and three Super Bowls—the most in the NFL.  The franchise has recorded 18 NFL divisional titles, eight NFL conference championships, and the second most regular season and overall victories of any NFL franchise, behind the Chicago Bears.
  Title: Houston Texans
  Passage: The Houston Texans are a professional American football team based in Houston, Texas.  The Texans compete in the National Football League (NFL) as a member club of the American Football Conference (AFC) South division.  The club first played in as an expansion team, which makes them the youngest franchise currently competing in the NFL.  The Texans replaced Houston's previous franchise, the Houston Oilers, which moved to Nashville, Tennessee and are now the Tennessee Titans.  The team's majority owner is Bob McNair.  While the team mainly struggled in the 2000s, they clinched their first playoff berth during the 2011 season as AFC South division champions.  The Texans have gone on to win more AFC South championships in 2012, 2015, and 2016.  To date, the Texans are the only NFL franchise to have never played in a conference championship game.
  Title: Sacramento Surge
  Passage: The Sacramento Surge was a professional American football team that played in the World League of American Football (WLAF) in 1991 and 1992.  The team played its first season at Hughes Stadium in Sacramento, and the second season in Hornet Stadium on the Sacramento State University campus.  It was owned by Managing General Partner Fred Anderson and the General Manager was Michael F. Keller.  In charge of Special Projects was Jack Youngblood, who also partnered with Joe Starkey and Ronnie Lott on the Surge radio broadcasts KRAK.
  Title: List of Green Bay Packers players: L–R
  Passage: The Green Bay Packers are a professional American football franchise based in Green Bay, Wisconsin.  They are currently members of the North Division of the National Football Conference (NFC) in the National Football League (NFL), and are the third-oldest franchise in the NFL.  Founded in 1919 by coach, player, and future Hall of Fame inductee Curly Lambeau and sports and telegraph editor George Whitney Calhoun, the Packers organization has become one of the most successful professional football teams, having won a total of 12 professional American football championships—nine NFL Championships and three Super Bowls—the most in the NFL.  The franchise has recorded 18 NFL divisional titles, eight NFL conference championships, and the second most regular season and overall victories of any NFL franchise, behind the Chicago Bears.
  Title: Los Angeles Rams
  Passage: The Los Angeles Rams are a professional American football team based in the Los Angeles metropolitan area.  The Rams compete in the National Football League (NFL), as a member club of the league's National Football Conference (NFC) West division.  The Rams franchise has won three NFL championships, and is the only franchise to win championships while representing three different cities (Cleveland in 1945, Los Angeles in 1951, and St. Louis in 1999).
  Title: Jack Youngblood
  Passage: Herbert Jackson Youngblood III (born January 26, 1950) is an American former college and professional football player who was a defensive end for the Los Angeles Rams of the National Football League (NFL) for fourteen seasons during the 1970s and 1980s.  He was a five-time consensus All-Pro and a seven-time Pro Bowl selection and was inducted to the Pro Football Hall of Fame.  Before playing professionally, Youngblood played college football for the University of Florida, and was recognized as an All-American.  He is considered among the best players Florida ever produced—a member of the College Football Hall of Fame and one of only five Florida Gators to be named to the Gator Football Ring of Honor.
citations: Los Angeles Rams Jack Youngblood