Conversation so far:
when did Rick Barry join the san fransico warriors?
In Barry's first season in the NBA with the Warriors, the team improved from 17 to 35 victories.
where did he come from?
CANNOTANSWER.
did he set any records with the warriors?
Barry erupted for 38 points as the West team stunned the East squad.
did he win any awards?
Barry won the NBA Rookie of the Year Award after averaging 25.7 points.
did he have any injuries?
CANNOTANSWER.

Question: who was his coach?
Self-contained rewrite: Who was Rick Barry's coach?