Question: When did Kato Svanidze's husband die?
Sentence (from "Joseph Stalin"): Joseph Vissarionovich Stalin (born Ioseb Besarionis dzе Jughashvili; – 5 March 1953) was a Georgian revolutionary and Soviet politician who led the Soviet Union from the mid–1920s until 1953 as the general secretary of the Communist Party of the Soviet Union (1922–1952) and premier of the Soviet Union (1941–1953).
Relevant evidence: Yes