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.

Q: Context : Kaaryam Nissaaram is a 1983 Indian Malayalam film, directed by Balachandra Menon and produced by Raju Mathew. 
Answer : Balachandra Menon

A: What is the director of Kaaryam Nissaaram?
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Q: Context : Patrício 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

A: What city is Patrício Freire associated with?
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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. 
Answer : 1986

A:
What year did TR-85 come into use?
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