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.

Input: Consider Input: Context : Gelnhausen railway (Hungen--Gieen) was opened on 29 December 1869 and Hungen station went into operation.
Answer : 29 December 1869

Output: When was Hungen station opened?

Input: Consider Input: Context : Manuel Corona Raimundo (Caibarien 17 June 1880 -- Marianao, Havana 9 January 1950) was a Cuban trova musician, and a long-term professional rival of Sindo Garay.
Answer : 1950

Output: What was the date of Manuel Corona's death?

Input: Consider Input: Context : Charles Mingus was born in Nogales, Arizona.
Answer : Arizona
Output: What city is Charles Mingus from?