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

[EX Q]: Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?
[EX A]: dangerous moonlight

[EX Q]: Ageusia is the loss of which sense?
[EX A]: ageusia

[EX Q]: What is the name of Don Quixote's horse?
[EX A]:
don quixote