Given a broad category, generate a trivia-type question based on a specific entity in that category. The question should be non-ambiguous. External resources such as Wikipedia could be used to obtain the facts.

Ex Input:
aviation

Ex Output:
By what two-word name was the Boeing B-17 aircraft known?


Ex Input:
broadcast

Ex Output:
 'The Grand Ole Opry' in America is famous for what type of music?


Ex Input:
geology

Ex Output:

What type of rock is granite?


