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

Ex Input:
Context : Benerib was a wife of pharaoh Hor-Aha, but she was not the mother of his heir, Djer. 
Question : What is Benerib's spouse's name?

Ex Output:
Hor-Aha


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 : Lieutenant William Portwood Erwin was a World War I flying ace credited with eight aerial victories. 
Question : Which war did William Portwood Erwin participate in?

Ex Output:

World War I