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 : Zorro's Fighting Legion is a 1939 Republic Pictures film serial consisting of twelve chapters starring Reed Hadley as Zorro and directed by William Witney and John English.
Answer : Republic Pictures
A:
The production company responsible for Zorro's Fighting Legion is what?