Conversation so far:
What did Fred Thompson have to do with the Watergate hearings?
In 1973, Fred Thompson was appointed minority counsel to assist the Republican senators on the Senate Watergate Committee.
What was Fred Thompson's role on the Senate Watergate Committee?
Fred Thompson was appointed minority counsel.
Could you tell me something interesting about Fred Thompson and his role in the Watergate hearings?
Fred Thompson was sometimes credited for supplying Republican Senator Howard Baker's famous question, What did the President know, and when did he know it?“

Question: how did those questions help the committee?
Self-contained rewrite: How did Fred Thompson supplying Republicans questions help the Senate Watergate Committee?