TASK DEFINITION: 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.
PROBLEM: location

SOLUTION: Bocconi University is in which European city?

PROBLEM: military

SOLUTION: Which South African soldier / statesman fought against the British in the Boer War, then on the side of the allies in both World Wars, and was instrumental in the founding of the League of Nations in 1919?

PROBLEM: opera

SOLUTION:
Who stabbed 'Carmen' in the opera of the same name?