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: Which BBC current affairs programme, the longest-running in the world, is 60 years old this year ?

Answer: bbc

Question: The novels 'The Shipmaster, 'The Iron Ships' and 'The Trade Winds' by Cyril Abraham, are based on which 1970's British tv series?

Answer: cyril abraham

Question: Which film, starring Yul Brynner and Deborah Kerr, was released in June 1956?

Answer:
deborah kerr