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: In music, which band consists of Billy Gibbons, Dusty Hill and Frank Beard?

SOLUTION: frank beard

PROBLEM: In which country would you find the Angkor Wat temple, the world's largest religious structure?

SOLUTION:
angkor wat