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

Which Renaissance artist's life was fictionalised in the book 'The Agony and the Ecstasy' subsequently made into a film?
the agony and the ecstasy

Whitney Houston`s husband Bobby Brown was originally a member of which successful band?
bobby brown

Barcelona in the principle city of which autonomous region of Spain?

barcelona