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

[EX Q]: In which town in California is Disneyland?
[EX A]: disneyland

[EX Q]: Which English Leicester-born boxer fought Marvin Hagler in 1983 for the WBC and WBA World Middleweight titles and lost by a technical knockout in the sixth round?
[EX A]: boxing

[EX Q]: Banting, Best and MacLeod are renowned for the discovery of what in 1922?
[EX A]:
frederick banting