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 : Oliver Otis Howard (November 8, 1830 -- October 26, 1909) was a career United States Army officer and a Union general in the American Civil War. 
Answer : American Civil War
Example Output: In which war/battle did Oliver Otis Howard fight?

Example Input: Context : ``Restful Place'' focuses on a curved limestone bench and above it is an arched bronze and glass canopy. 
Answer : limestone
Example Output: What is the surface of Restful Place made of?

Example Input: Context : Walter Grabmann (20 September 1905 -- 20 August 1992) was a German World War II Luftwaffe Generalmajor. 
Answer : Luftwaffe
Example Output:
Which military did Walter Grabmann serve with?