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 : Gary Ray Bowles (born January 25, 1962) is an American serial killer who was sentenced to death for the murder of six men. 
Answer : murder
Example Output: Which crime led to the conviction of Gary Ray Bowles?

Example Input: Context : HD 165189 is a star in the constellation Corona Australis. 
Answer : Corona Australis
Example Output: Which constellation is HD 165189 a part of?

Example Input: Context : The LB&SCR Belgravia class, were 2-4-0 passenger locomotives designed by William Stroudley of the London Brighton and South Coast Railway (LB&SCR) in 1872 for secondary passenger duties. 
Answer : 1872
Example Output:
What year was LB&SCR Belgravia class commissioned?