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

Ex Input:
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 Output:
1986


Ex Input:
Context : Mayra Andrade (born 13 February 1985) is a Cape Verdean singer who lives and records in Paris, France. 
Question : What city is Mayra Andrade associated with?

Ex Output:
Paris


Ex Input:
Context : The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. 
Question : On what date did 2013 Lake Grassmere earthquake take place?

Ex Output:

16 August 2013