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

Ex Input:
In 2011, Christian Bale won a Best Supporting Actor Oscar for his role as an assistant to his half-brother in which boxing related film?

Ex Output:
christian bale


Ex Input:
Which British singer released a 1972 album entitled 'Blondes Have More Fun'?

Ex Output:
blondes have more fun


Ex Input:
Who was the chief harpooner on Captain Ahab's whaleship?

Ex Output:

captain ahab