Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Q: 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. 
Question : In which war/battle did Oliver Otis Howard fight?

A: conflict
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Q: Context : Vice-Admiral William Lechmere died at Hill House, Steeple Aston, Oxfordshire on 12 December 1815 at the age of 63. 
Question : To which branch did William Lechmere belong?

A: military branch
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Q: Context : Manuel Corona Raimundo (Caibarién 17 June 1880 -- Marianao, Havana 9 January 1950) was a Cuban trova musician, and a long-term professional rival of Sindo Garay. 
Question : What was the date of Manuel Corona's death?

A:
date of death
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