Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Where is Charles Darwin buried?
[EX A]: charles darwin

[EX Q]: Who married Brooke Shields in 1997?
[EX A]: brooke shields

[EX Q]: What was the name of the member of the crew of Apollo 11 who did NOT walk on the Moon in 1969?
[EX A]:
apollo 11