TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Christopher Eccleston, Kerry Fox and Ewan McGregor played flatmates in which 1994 film?

SOLUTION: christopher eccleston

PROBLEM: What is the second book of the Bible?

SOLUTION: bible

PROBLEM: Which comic strip written and illustrated by Bill Watterson, first run from 1985 to 1995, follows the antics of a precocious six-year-old boy and his sardonic stuffed tiger?

SOLUTION:
bill watterson