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

Ex 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?

Ex Output:
Brethil


Ex Input:
Context : Between March 1942 and February 1943, Lysaght's produced 28,000 Owen Guns. 
Question : What was the year that Owen Gun entered service?

Ex Output:
1942


Ex Input:
Context : David Blewitt died of complications from Parkinson's disease on July 8, 2010, at his home in Sherman Oaks, California, at the age of 81. 
Question : From what did David Blewitt die?

Ex Output:

Parkinson's disease