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

In which war did the Sack of Badajoz takeplace?
siege of badajoz

Played by Dirk Benedict in the series and Bradley Cooper in the movie, by what nickname was Templeton Peck known on The A-Team?
the a-team

Who is the new judge on 'Dragon's Den'?

dragons' den