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

[EX Q]: 'Edward Lewis' and 'Vivian Ward' were the principal characters in which popular 1990 film?
[EX A]: edward lewis

[EX Q]: In which English city was Damien Hirst born?
[EX A]: damien hirst

[EX Q]: Alan Strang is the tortured hero of which award-winning 1973 stage play by Peter Shaffer ?
[EX A]:
alan strang