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

Example Input: Context : R Reticuli (R Ret) is a Mira variable star in the constellation Reticulum. 
Question : What is the name of the constellation which R Reticuli belongs?
Example Output: Reticulum

Example Input: Context : Manthor was the Master of the North-march of Brethil, a part of the forest by the River Sirion nearest to the Ford of Brithiach. 
Question : What city is Manthor associated with?
Example Output: Brethil

Example Input: Context : Used by the U.S. Army, the U.S. Marine Corps, as well as many foreign militaries, the M47 Dragon was first fielded in January 1975 to U.S. Army soldiers stationed in mainland Europe. 
Question : What year did M47 Dragon come into use?
Example Output:
1975