Conversation so far:
When did Dean Martin's later career begin?
CANNOTANSWER.
What was one of his shows?
lawyer.
He played a featured role in the 1981 comedy The Cannonball Run and its sequel.
What did the critics think of him?
made a respectable showing on the country charts.

Question: What song did he release?
Self-contained rewrite: What song did Dean Martin release?