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

[EX Q]: Which former Blue Peter presenter died in April 2004, aged 41?
[EX A]: blue peter

[EX Q]: Who won the 2011 Booker Prize for 'The Sense of an Ending'?
[EX A]: the sense of an ending

[EX Q]: Eleanor of Castile was the mother of which English monarch?
[EX A]:
eleanor of castile