Conversation so far:
How did Bob Hayes do in the olympics?
At the 1964 Summer Olympics, in Tokyo, Bob Hayes had his finest hour as a sprinter.
Did Bob Hayes win at any olympic games?
First, Bob Hayes won the 100m. This was followed by a second gold medal in the 4×100 meter relay.

Question: When did he win?
Self-contained rewrite: When did Bob Hayes win in the Olympics?