Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: In which city were the 2002 Winter Olympic Games held?

Answer: 2002 winter olympics

Question: Alexander the Great died in which ancient city?

Answer: alexander the great

Question: Who played the role of Georgiana Cavendish in the 2008 film 'The Duchess'?

Answer:
georgiana cavendish, duchess of devonshire