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

Ex Input:
Which Afro American super model, TV personality and singer hosts the TV show, America's Next Top Model and also has her own daytime TV chat show?

Ex Output:
america's next top model


Ex Input:
Where is David Cameron's Oxfordshire constituency?

Ex Output:
david cameron


Ex Input:
September 9, 1969 saw what made an official language of Canada?

Ex Output:

canada