Conversation so far:
When did Bob Hayes go to the Olympics?
the 1964 Summer Olympics
Where was the 1964 Summer Olympics that BoB hayes go to at?
in Tokyo
Did Bob Hayes win any medals in the 1964 olympics in Tokyo?
Bob Hayes won two gold medals

Question: What was his time that made him tie for the world record?
Self-contained rewrite: What was Bob hayes  time that made him tie for the world record in the 1964 olympics in Tokyo?