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

[EX Q]: In book and film, which vessel was commanded by Charlie Allnut?
[EX A]: charlie allnut

[EX Q]: What is the nationality of Chelsy Davy, former girlfriend of Prince Harry?
[EX A]: chelsy davy

[EX Q]: Which city held the 1972 Olympic Games?
[EX A]:
1972 summer olympics