Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Who was the scheming wife of the Roman emperor Claudius?

Answer: claudius


Question: Responsible for such films as 'Saving Private Ryan' and 'Gladiator', which film Production Company was founded by Steven Spielberg, Jeffrey Katzenberg and David Geffen in 1994?

Answer: saving private ryan


Question: Name actor Von Ryan's Express, The Third Man, Brief Encounter?

Answer:
von ryan's express