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.
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Question: Context : The Boeing KC-767 is a military aerial refueling and strategic transport aircraft developed from the Boeing 767-200ER. 
Answer : Boeing 767-200ER

Answer: The Boeing KC-767 is based upon what?


Question: Context : Paul-Ernst Renisch (2 July 1917 -- 25 January 1998) was a highly decorated Major in the Fallschirmjäger during World War II. He was also a recipient of the Knight's Cross of the Iron Cross. 
Answer : Knight's Cross of the Iron Cross

Answer: What award was received by Paul-Ernst Renisch?


Question: Context : Patrick Summers (born August 14, 1963) is an American conductor best known for his work as Artistic and Music Director of Houston Grand Opera and as Principal Guest Conductor of San Francisco Opera. 
Answer : conductor

Answer:
What was Patrick Summers's occupation?