Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: Which American city has baseball-playing 'Dodgers'?

Answer: los angeles dodgers


Question: What name is given to the murder of 7 people as part of a Prohibition Era conflict between the South Side Italian gang led by Al Capone and the North Side Irish gang led by Bugs Moran in Chicago, Illinois, in 1929?

Answer: bugs moran


Question: Which actress played Ronnie in the film `Close Encounters Of The Third Kind`?

Answer:
close encounters of the third kind