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

Who played Captain Jean-Luc Picard in the television series 'Star-Trek: The Next Generation'?
jean-luc picard

What sport is featured in the musical The Beautiful Game by Andrew Lloyd Webber and Ben Elton?
the beautiful game

Which political leader married Austrian Archduchess Marie-Louise in 1810?

marie louise, duchess of parma