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

[EX Q]: What type of creature is an argali?
[EX A]: argali

[EX Q]: Physics. What is the SI unit for amount of substance?
[EX A]: amount of substance

[EX Q]: What nationality was guitarist Django Reinhardt?
[EX A]:
django reinhardt