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.

Input: Consider Input: Context : Philip Affleck (1726--1799) was an admiral in the Royal Navy. 
Answer : Royal Navy

Output: What armed force did Philip Affleck serve in?


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

Output: The Trace of Stones is based upon what?


Input: Consider Input: Context : Samuel Kurtz Hoffman (15 April 1902 -- 26 June 1995) was an American engineer who specialised in rocket propulsion. 
Answer : 26 June 1995


Output: What year did Samuel Kurtz Hoffman die?