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

[Q]: In which British city would you find Barlinnie prison?
[A]: hm prison barlinnie


[Q]: Who played Bonnie in the 1967 film `Bonnie And Clyde`?
[A]: bonnie and clyde


[Q]: Which record-breaking film marked Clint Eastwood's directorial debut?
[A]:
clint eastwood