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 played Captain Jean-Luc Picard in the television series 'Star-Trek: The Next Generation'?

SOLUTION: jean-luc picard

PROBLEM: Which jockey rode Red Alligator to victory in the 1968 Grand National?

SOLUTION: red alligator

PROBLEM: In which radio comedy series does Andy Hamilton play The Devil?

SOLUTION:
andy hamilton