Question: What is the date of death of Mario Segni's father?
Sentence (from "Antonio Segni"): Antonio Segni (2 February 1891 – 1 December 1972) was an Italian politician who was the 34th Prime Minister of Italy (1955–1957, 1959–1960), and the fourth President of Italy from 1962 to 1964.
Relevant evidence: Yes