TASK DEFINITION: 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.
PROBLEM: Context : Sergeant-Observer William James Middleton DFM was a British World War I flying ace credited with six aerial victories.
Answer : World War I

SOLUTION: What war was William James Middleton in?

PROBLEM: Context : Patricio Freire (born July 7, 1987 in Natal, Brazil) is a Brazilian mixed martial artist currently competing in Bellator's Featherweight division, he is the former Featherweight Champion.
Answer : Natal

SOLUTION: What city is Patricio Freire associated with?

PROBLEM: Context : Les Trois Mousquetaires (The Three Musketeers) is a 1921 French silent short film adventure directed by Henri Diamant-Berger based on novel by Alexandre Dumas, pere.
Answer : The Three Musketeers

SOLUTION:
Which is the basis of Les Trois Mousquetaires?