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.

Example Input: Context : Bataafse Petroleum Maatschappij (BPM), also known as Bataafsche Petroleum Maatschappij (English: Batavian Oil Company) was a subsidiary of the Royal Dutch Shell oil company established in 1907 which extracted and refined oil in the Netherlands East Indies. 
Answer : Royal Dutch Shell
Example Output: What is Bataafse Petroleum Maatschappij's parent company?

Example Input: Context : The 1982 El Salvador earthquake occurred on 19 June 1982 at 00:21 local time (06:21 UTC). 
Answer : 19 June 1982
Example Output: When did 1982 El Salvador earthquake occurr?

Example Input: Context : How TV Ruined Your Life is a six-episode BBC Two television series written and presented by Charlie Brooker. 
Answer : BBC Two
Example Output:
Which network broadcasted How TV Ruined Your Life?