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 : Gelnhausen railway (Hungen--Gieen) was opened on 29 December 1869 and Hungen station went into operation.
Answer : 29 December 1869
Example Output: When was Hungen station opened?

Example Input: Context : Mercy Lavinia Warren Stratton (nee Bump, October 31, 1842 -- November 25, 1919) was an American proportionate dwarf and the wife of General Tom Thumb.
Answer : General Tom Thumb
Example Output: What is Lavinia Warren's spouse's name?

Example Input: Context : In 2001, the Foundation opened the Andre Agassi College Preparatory Academy in Las Vegas, a K-12 public charter school for at-risk children.
Answer : Las Vegas
Example Output:
What city is Andre Agassi from?