Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Q: Who wrote and starred in the comedy series It's A Square World?

A: michael bentine
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Q: Which super-group did Eric Clapton join, after the pop group, Cream split up?

A: blind faith
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Q:  'The Harlot's Progress' is a series of paintings and engravings by which 18th Century English painter?

A:
william hogarth
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