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: Cassandra, Grizabella and Skimbleshanks are all characters in which Andrew Lloyd Webber musical?

Answer: andrew lloyd webber


Question: The song Don't Rain On My Parade features in which musical?

Answer: don't rain on my parade


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