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

Ex Input:
Barabas is the central character in what 16th century play?

Ex Output:
barabas


Ex Input:
What is the county town of Derbyshire?

Ex Output:
derbyshire


Ex Input:
Which King of England was married to Anne of Denmark?

Ex Output:

anne of denmark