Question: What is the date of death of Maryon Pearson's husband?
Sentence (from "Lester B. Pearson"): "Mike" Pearson (23 April 1897 – 27 December 1972) was a Canadian scholar, statesman, soldier, prime minister, and diplomat, who won the Nobel Peace Prize in 1957 for organizing the United Nations Emergency Force to resolve the Suez Canal Crisis.
Relevant evidence: Yes