TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Who stars in the TV series Californication?

SOLUTION: californication

PROBLEM: Which was the title of the 7th and final book in the Chronicles of Narnia by C.S. Lewis?

SOLUTION: the chronicles of narnia

PROBLEM: Charles Webb wrote which book, made into a famous film directed by Mike Nichols, in 1967?

SOLUTION:
charles webb