Conversation so far:
Where was Bennett born?
Bennett was born Michael Bennett DiFiglia in Buffalo, New York.
When  was he born?
CANNOTANSWER.
Who are his parents?
the son of Helen (nee Ternoff), a secretary, and Salvatore Joseph DiFiglia, a factory worker.
when did his career begin?
Bennett's career as a Broadway dancer began in the 1961 Betty Comden-Adolph Green-Jule Styne musical Subways Are for Sleeping.
what was the play?
CANNOTANSWER.

Question: What show did he begin his career?
Self-contained rewrite: What show did Michael Bennett begin his career?