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.
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Question: Context : Elbridge Robinson (January 7, 1844 -- January 19, 1918) was a Union Army soldier during the American Civil War. 
Answer : American Civil War

Answer: In which war did Elbridge Robinson participate?


Question: 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

Answer: Which is the basis of Diary of a Camper?


Question: Context : Gagak Item ((ɡaˈɡaʔ iˈtəm); Vernacular Malay for Black Raven, also known by the Dutch title De Zwarte Raaf) is a 1939 bandit film from the Dutch East Indies (now Indonesia) directed by Joshua and Othniel Wong for Tan's Film. 
Answer : Tan's Film

Answer:
What production company or companies created Gagak Item?