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 : In 1990, Top Hat was selected for preservation in the United States National Film Registry by the Library of Congress as being ``culturally, historically, or aesthetically significant''. 
Answer : National Film Registry
Example Output: What award was received by Top Hat?

Example Input: Context : Vizefeldwebel Oskar Hennrich was a German World War I flying ace credited with 20 aerial victories. 
Answer : World War I
Example Output: In which war did Oskar Hennrich fought?

Example Input: Context : The 47th (Lancashire) Regiment of Foot was an infantry regiment of the British Army. 
Answer : British Army
Example Output:
Which armed forces utilised the service of 47th (Lancashire) Regiment of Foot?