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 : The Cython programming language is a superset of Python with a foreign function interface for invoking C/C++ routines and the ability to declare the static type of subroutine parameters and results, local variables, and class attributes. 
Answer : Python

A: The Cython is based upon what?
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Q: Context : The Bullet is Not for Firing is the fourth episode of the third series of the British comedy series Dad's Army that was originally transmitted on Thursday 2 October 1969. 
Answer : Dad's Army

A: What series is the episode The Bullet is Not for Firing part of?
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Q: Context : The Deadliest Season is a 1977 made-for-TV film that was originally shown in the United States on CBS. 
Answer : CBS

A:
What production company was involved in The Deadliest Season?
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