Question: What is the date of death of Guðmundur Steingrímsson's father?
Sentence (from "Steingrímur Hermannsson"): Steingrímur Hermannsson (pronounced ; 22 June 1928 – 1 February 2010) was an Icelandic politician who served as Prime Minister of Iceland from 1983 to 1987, and again from 1988 to 1991.
Relevant evidence: Yes