TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: 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?

SOLUTION: tony award for best actress in a play

PROBLEM: Established in 1919, which is the world's oldest surviving airline?

SOLUTION: airline

PROBLEM: Which famous Belfast born guitarist, who played with Thin Lizzy for a while, died on 6th February 2011?

SOLUTION:
belfast