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

Answer: 1986


Question: Context : Kim Gandy graduated from Louisiana Tech University in Ruston, the seat of Lincoln Parish, where she earned a Bachelor of Science degree in mathematics. 
Question : The college Kim Gandy attended was what?

Answer: Louisiana Tech University


Question: Context : Desyat Negrityat (Ten Little Niggers, Russian: Десять негритят) is a 1987 Soviet film adaptation of Agatha Christie's novel And Then There Were None It was directed by Stanislav Govorukhin, who also penned the script. 
Question : The Desyat Negrityat is based upon what?

Answer:
Then There Were None