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

Where, in the novel The Count of Monte Christo, by Alexandre Dumas, does the Abbe Faria befriend Edmond Dantes during his time in prison?
monte cristo

Who played Bodie and Doyle's boss, George Cowley, in the UK television series 'The Professionals'?
the professionals