Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Who composed 'Belshazzar's Feast' cantata?
[EX A]: belshazzar's feast

[EX Q]: At the recent Tony Awards who won the award for Best Actress in a Play for her performance as Queen Elizabeth II in the play The Audience by Peter Morgan?
[EX A]: tony award for best actress in a play

[EX Q]: Who was re-elected Prime Minister of Canada in May 2011?
[EX A]:
prime minister of canada