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

Context : All the Little Animals is a 1998 feature film, directed and produced by Jeremy Thomas, based on the novel of the same name by Walker Hamilton. 
Question : Which is the basis of All the Little Animals?
Walker Hamilton

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

Context : Empress Xing (1106--1139) was a Chinese Empress consort of the Song Dynasty, married to Emperor Gaozong of Song. 
Question : What is Empress Xing's spouse's name?

Emperor Gaozong of Song