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.
What 1964 Olympic events did Bob Hayes participate in?
Hayes won the 100m and 4×100 meter relay.
Did Bob Hayes win any Olympic medals?
Hayes won gold in the 100m and 4×100 meter relay.
Did Bob Hayes set any records at the 1964 Olympics?
In the 4×100 meter relay Hayes produced a new World Record.

Question: How many medals did Hayes win?
Self-contained rewrite: How many medals did Bob Hayes win at the 1964 Olympics?