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

Ex Input:
Who stars in the TV series Californication?

Ex Output:
californication


Ex Input:
Which TV screenwriter created the science fiction shows, Survivors and Blake's Seven?

Ex Output:
blake's 7


Ex Input:
In the novel, Nicholas Nickelby, by Charles Dickens, what was the name of the school, run by Wackford Squeers?

Ex Output:

charles dickens