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.

Ex Input:
Context : Charles Marquette (1845--1907) was a Sergeant in the United States Army and a Medal of Honor recipient for his role in the American Civil War. 
Answer : American Civil War

Ex Output:
What war was Charles Marquette in?


Ex Input:
Context : Trace of Stones (German: Spur der Steine) is a 1966 East German film by Frank Beyer. 
Answer : Spur der Steine

Ex Output:
The Trace of Stones is based upon what?


Ex Input:
Context : MW 18014 was a German V-2 rocket test launch that took place on 20 June 1944, at the Peenemünde Army Research Center in Peenemünde. 
Answer : 20 June 1944

Ex Output:

What is the date when MW 18014 happened?