question: Which center for the San Antonio Spurs in the National Basketball Association (NBA) averaged 25.6 points, 13.0 rebounds, and 3.9 blocks per game?
answer: David Robinson
context: Title: 1990–91 San Antonio Spurs season
  Passage: The 1990–91 NBA season was the Spurs' 15th season in the National Basketball Association, and 24th season as a franchise.  After a promising rookie season from second-year star David Robinson, the Spurs would win 17 of their first 22 games on their way to a 30–10 start.  However, with Terry Cummings and Rod Strickland lost for long stretched games due to injuries, the Spurs struggled in February with a 4–7 record.  The Spurs would bounce back winning 13 of their final 17 games as they won the Midwest Division with a solid 55–27 record.  Robinson averaged 25.6 points, 13.0 rebounds, and 3.9 blocks per game while being selected to the All-NBA First Team, All-Defensive Second Team, and for the 1991 NBA All-Star Game.  However, in the first round of the playoffs, the Spurs would be stunned by the 7th-seeded Golden State Warriors in four games after winning Game 1.
  Title: David Robinson (basketball)
  Passage: David Maurice Robinson (born August 6, 1965) is an American former professional basketball player, who played center for the San Antonio Spurs in the National Basketball Association (NBA) for his entire career.  Based on his prior service as an officer in the United States Navy, Robinson earned the nickname "The Admiral".
  Title: Ángel Daniel Vassallo
  Passage: Ángel Daniel Vassallo Colón (born April 21, 1986) is a Puerto Rican professional basketball player.  After completing his high school education, he played for the Tigers of Hargrave Military Academy, reaching the preparatory national finals.  Vassallo joined the National Collegiate Athletic Association playing for Virginia Tech.  Throughout his college career, Vassallo received several recognitions, including two All-ACC second team inclusions.  He finished fifth in the campus' all-time scoring list.  In his first Baloncesto Superior Nacional season, Vassallo averaged 25.6 points, 6.7 rebounds, and 4.3 assists per game for the Criollos de Caguas.  He made his LNB debut for Paris-Levallois Basket, leading the team to the playoffs.  Vassallo has been an All-Star player in both the BSN and LNB.
  Title: Willie Williams (basketball)
  Passage: Willie Earl Williams (born July 28, 1946) is a former National Basketball Association (NBA) player.  Williams lettered two years in basketball at Florida State University after two years at Miami Dade Community College.  In the 1968-69 season, Williams averaged 7.8 points and 9.6 rebounds per game.  The following season, Williams averaged 16.9 points and 11.0 rebounds per game.  He was drafted with the fourth pick in the third round of the 1970 NBA Draft.  After playing sixteen games with the Celtics in the 1970-71 NBA season, Williams was waived by the Celtics and then claimed off waivers by the Cincinnati Royals.  In his one NBA season, Williams averaged 0.9 points and 0.9 rebounds per game.
citations: David Robinson (basketball) 1990–91 San Antonio Spurs season