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 : Charles Calvin Rogers (September 6, 1929 -- September 21, 1990) was a United States Army officer and a recipient of America's highest military decoration--the Medal of Honor--for his actions in the Vietnam War. 
Answer : Vietnam War

Answer: In which war did Charles Calvin Rogers fought?


Question: Context : In 1946, Alain de Boissieu married Élisabeth de Gaulle, the daughter of general Charles de Gaulle. 
Answer : Élisabeth de Gaulle

Answer: What is Alain de Boissieu's spouse's name?


Question: Context : Solar Pons is a fictional detective created by August Derleth as a pastiche (imitation) of Arthur Conan Doyle's Sherlock Holmes. 
Answer : Sherlock Holmes

Answer:
The Solar Pons is based upon what?