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.

[Q]: music
[A]: What was the title of Bob the Builder`s second UK number one hit single?


[Q]: spaceflight
[A]: What was visited by Viking, Pathfinder, and Curiosity?


[Q]: medicine
[A]:
The bacterium Bordetella pertussis is the causative agent for which childhood disease?