Question: What is the birthdate of this American retired professional basketball player, who played point guard, and who had 13.1 assists per game with the Los Angeles Lakers?
Sentence (from "1983–84 Los Angeles Lakers season"): The Los Angeles Lakers, powered by Kareem Abdul-Jabbar (who broke the NBA's all-time total points record) and Magic Johnson with his 13.1 assists per game (tops in '84), ended up winning 54 games in the 1983–84 NBA season.
Relevant evidence: Yes