Conversation so far:
What year did Bob Hayes participate in the Olympics?
At the 1964 Summer Olympics, in Tokyo, Hayes had his finest hour as a sprinter.
Where was the 1964 Olympics that Bob Hayes participated in held?
The 1964 Summer Olympics was an international multi-sport event held in Tokyo, Japan.

Question: What Olympic events did Hayes participate in?
Self-contained rewrite: What 1964 Olympic events did Bob Hayes participate in?