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

[EX Q]: Context : Solar Pons is a fictional detective created by August Derleth as a pastiche (imitation) of Arthur Conan Doyle's Sherlock Holmes. 
Question : The Solar Pons is based upon what?
[EX A]: Sherlock Holmes

[EX Q]: Context : The film was adapted by Wilder and Edwin Blum from the Broadway play by Donald Bevan and Edmund Trzcinski which was based on their experiences as prisoners in Stalag 17B in Austria. 
Question : The Stalag 17 is based upon what?
[EX A]: Donald Bevan

[EX Q]: Context : Hubert Bland (3 January 1855 -- 14 April 1914) was the husband of Edith Nesbit and was known for being an infamous libertine, a journalist, an early English socialist, and one of the founders of the Fabian Society. 
Question : What is Hubert Bland's spouse's name?
[EX A]:
Edith Nesbit