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: Which TV screenwriter created the science fiction shows, Survivors and Blake's Seven?

Answer: blake's 7

Question: Who did Ali McGraw marry after they had made The Getaway together?

Answer:
ali macgraw