Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : Addison Hiatt Sanders (September 13, 1823 -- November 7, 1912) was a newspaper editor who joined the Union Army during the American Civil War. 
Question : In what war was Addison Hiatt Sanders a combatant?
[EX A]: American Civil War

[EX Q]: Context : Based on the TR-77-580 (Romanian-built version of the Soviet T-55 tank), the TR-85 tank was developed from 1978 to 1985 and produced from 1986 until 1990. 
Question : Which was the official year for the approval of TR-85?
[EX A]: 1986

[EX Q]: Context : A football fan since early childhood and a futsal player, Paulo Autuori had to give up his dream of becoming a professional footballer after contracting poliomyelitis in his teens. 
Question : What disease did Paulo Autuori contract?
[EX A]:
poliomyelitis