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

Context : Rear Admiral Charles Stillman Sperry (3 September 1847 -- 1 February 1911) was an officer in the United States Navy. 
Question : Which military did Charles Stillman Sperry serve with?
United States Navy

Context : The Eighth Doctor Adventures (sometimes abbreviated as EDA or referred to as the EDAs) are a series of spin off novels based on the long running BBC science fiction television series Doctor Who and published under the BBC Books imprint. 
Question : The Eighth Doctor Adventures is based upon what?
Doctor Who

Context : Mahin Oskouei (1929 -- January 2006) was an Iranian theater director and instructor and Iran's pioneering female theater arts figure. 
Question : What gender was Mahin Oskouei?

female