Given an open-ended topic (movie name, a persons name, an event, sports, etc) generate a simple trivia-type question.

[Q]: cuba libre
[A]: What specifically is the alcoholic ingredient of the drink Cuba Libre?


[Q]: city of london
[A]: Tower, Albert and Vauxhall are all bridges in which European city?


[Q]: brass instrument
[A]:
Named after the Greek words for good and sound, what is the valved brass tenor instrument resembling a small tuba?