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

[EX Q]: Who won the Women's Singles at the 2015 Australian Open Tennis Championships?
[EX A]: the championships, wimbledon

[EX Q]: What was the title of the first feature film made in Cinemascope?
[EX A]: cinemascope

[EX Q]: Who plays Sheldon Cooper in The Big Bang Theory?
[EX A]:
sheldon cooper