Detailed Instructions: 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.
Problem: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
Solution:
What is Bataafse Petroleum Maatschappij's parent company?