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

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?
Sherlock Holmes

Context : Roberta Vinci was born in Taranto, the daughter of Angelo Vinci, an accountant, and his wife Luisa, a homemaker; she has an older brother, Francesco.
Question : What city is Roberta Vinci associated with?
Taranto

Context : Sigmund Selberg (11 August 1910 -- 20 April 1994) was a Norwegian mathematician.
Question : What was Sigmund Selberg's occupation?
mathematician