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 : Oliver Otis Howard (November 8, 1830 -- October 26, 1909) was a career United States Army officer and a Union general in the American Civil War.
Answer : American Civil War

Answer: In which war/battle did Oliver Otis Howard fight?

Question: Context : Izak Davel (born 1 July 1983 in South Africa) is a South African actor, singer, dancer and male model.
Answer : male

Answer: What gender is Izak Davel?

Question: Context : Thomas and the Magic Railroad is a 2000 British-American-Canadian adventure fantasy film based on the British TV series Thomas & Friends, The Railway Series by the Rev. W. Awdry, and the American TV series Shining Time Station.
Answer : The Railway Series

Answer:
Which is the basis of Thomas and the Magic Railroad?