Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: The bells were ringing for Chuck Berry when this song made it to No1. His first and only British No. 1. What song?

A: chuck berry
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Q: Which 1981 film , directed by John Huston, starred footballers Bobby Moore, Pele and Osvaldo Ardiles?

A: osvaldo ardiles
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Q: The first official World Cup for which sport, that requires navigational skills using a map and compass to navigate from point to point in diverse and usually unfamiliar terrain, was held in 1986?

A:
compass
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