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 married the woman who was to become Queen Beatrix of the Netherlands, on 10 March 1966?

SOLUTION: beatrix

PROBLEM: Which Frenchman composed Clair de lune, the famous third movement of Suite bergamasque?

SOLUTION: suite bergamasque

PROBLEM: Which Hasbro `action figure` got its name from a Robert Mitchum film?

SOLUTION:
hasbro