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?

<P0-S0> Earvin "Magic" Johnson Jr. (born August 14, 1959) is an American retired professional basketball player and current president of basketball operations of the Los Angeles Lakers of the National Basketball Association (NBA). <P0-S1>  He played point guard for the Lakers for 13 seasons. <P0-S2>  After winning championships in high school and college, Johnson was selected first overall in the 1979 NBA draft by the Lakers. <P0-S3>  He won a championship and an NBA Finals Most Valuable Player Award in his rookie season, and won four more championships with the Lakers during the 1980s. <P0-S4>  Johnson retired abruptly in 1991 after announcing that he had contracted HIV, but returned to play in the 1992 All-Star Game, winning the All-Star MVP Award. <P0-S5>  After protests from his fellow players, he retired again for four years, but returned in 1996, at age 36, to play 32 games for the Lakers before retiring for the third and final time. <SEP> <P1-S0> The 1983–84 season for the Los Angeles Lakers saw them lose in the 1984 NBA Finals against Larry Bird's Boston Celtics in seven well-fought games. <P1-S1>  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. <P1-S2>  On April 5, 1984, Kareem Abdul-Jabbar had a 12-foot shot over Mark Eaton of the Utah Jazz 1 to surpass Wilt Chamberlain as the NBA's all-time leading scorer with 31,421 points. <SEP> <P2-S0> Brian Joseph Winters (born March 1, 1952) is an American former basketball player and coach. <P2-S1>  He attended academic and athletic powerhouse Archbishop Molloy High School in Queens, New York, graduating in 1970. <P2-S2>  He then played collegiately with the University of South Carolina and was the 12th pick in the 1974 NBA Draft, taken by the Los Angeles Lakers. <P2-S3>  He made the NBA All-Rookie Team with the Lakers, and was then traded to the Milwaukee Bucks as part of the trade that brought Kareem Abdul-Jabbar to the Lakers. <P2-S4>  He had a productive nine-year career that included two appearances in the NBA All-Star Game and playing on six playoffs teams. <P2-S5>  Winters averaged 16.2 points and 4.1 assists over his career, with his best years coming from 1975 to 1979 when he averaged over 19 points and slightly less than 5 assists per game. <P2-S6>  His number 32 was retired by the Bucks. <SEP> <P3-S0> Gene Wiley (born November 12, 1937) is a former NBA basketball player for the Los Angeles Lakers. <P3-S1>  He attended Carver High School in Amarillo, Texas and Wichita State University. <P3-S2>  He was drafted in 1962 with the eighth pick in the second round by the Los Angeles Lakers. <P3-S3>  Wiley played four seasons in the NBA and averaged 4.2 points per game and 7.2 rebounds per game. <P3-S4>  In 1967, Wiley returned to professional basketball to play in the ABA. <P3-S5>  In one ABA season, he played for the Oakland Oaks and the Dallas Chaparrals. <P3-S6>  His ABA statistics were 2.0 points per game and 2.2 rebounds per game.