Question: In what political party is Lady Dorothy Macmillan's husband?
Sentence (from "Lady Dorothy Macmillan"): Lady Dorothy Evelyn Macmillan, {'1': ", '2': ", '3': ", '4': "} ("née" Cavendish; 28 July 1900 – 21 May 1966) was a daughter of Victor Cavendish, 9th Duke of Devonshire and Evelyn Cavendish, Duchess of Devonshire and the wife of the British Prime Minister Harold Macmillan.
Relevant evidence: Yes