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 : Compass in the Blood is a young-adult novel by the American writer William E. Coles, Jr. (1932--2005) set in 1990s Pittsburgh, Pennsylvania. 
Question : Which place is Compass in the Blood in?

Ex Output:
Pittsburgh


Ex Input:
Context : Walter Atlee Edwards (November 8, 1886 -- January 15, 1928) was a Lieutenant-Commander in the United States Navy and a recipient of America's highest military decoration - the Medal of Honor. 
Question : What armed force did Walter Atlee Edwards serve in?

Ex Output:

United States Navy