TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which Dickens novel is subtitled The Parish Boy's Progress?

SOLUTION: charles dickens

PROBLEM: Which football team play home games at Bloomfield Road?

SOLUTION: bloomfield road

PROBLEM: Which band features Andy Hurley on drums and Joe Trohman on guitar?

SOLUTION:
andy hurley