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-Theodore Millot (28 June 1829 -- 17 May 1889) was a French general who distinguished himself in the Franco-Prussian War (1870--71) and the Tonkin campaign (1883--86).
Answer : Franco-Prussian War

Answer: In what war did Charles-Theodore Millot fight?

Question: Context : Maschenka (Russian: , Mashen'ka; English: Mary) is a 1987 British film adaptation of the debut novel by Vladimir Nabokov, first published under his pen name V. Sirin in 1926.
Answer : Mary

Answer: The Maschenka is based upon what?

Question: Context : The LB&SCR Belgravia class, were 2-4-0 passenger locomotives designed by William Stroudley of the London Brighton and South Coast Railway (LB&SCR) in 1872 for secondary passenger duties.
Answer : 1872

Answer:
What year was LB&SCR Belgravia class commissioned?