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

[EX Q]: Which British Prime Minister married Clementine Hozier on September 12th 1908?
[EX A]: clementine churchill

[EX Q]: Where on Prince Edward Island, Canada, is Anne of Green Gables located?
[EX A]: canada

[EX Q]: Which was Alfred Hitchcock's last film made in 1976?
[EX A]:
alfred hitchcock