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

Which hero of science fiction was created by Alex Raymond?
alex raymond

Which composer's oratorios include 'The Kingdom' and 'The Dream of Gerontius'?
the dream of gerontius

Which film, directed by John Ford and starring John Wayne, John Carradine and Claire Trevor, was indirectly based on Guy de Maupassant's story Boule de Suif?

claire trevor