Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Thomas Magnay (14 September 1876 -- 3 November 1949) was a Liberal Party politician in the United Kingdom, who joined the breakaway Liberal National faction and served as a Member of Parliament (MP) from 1931 to 1945.
Question: Which country's citizen was Thomas Magnay?
united kingdom