Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Q: Context : NGC 6886 is a planetary nebula in the constellation Sagitta. 
Answer : Sagitta

A: In which constellation is NGC 6886?
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Q: Context : Diary of a Camper is a short 1996 American film made using id Software's 1996 first-person shooter computer game Quake. 
Answer : Quake

A: Which is the basis of Diary of a Camper?
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Q: Context : Teacher Didn't Tell Me is a British television series which aired on the BBC during 1957. 
Answer : BBC

A:
What production company or companies created Teacher Didn't Tell Me?
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