Question: Why did Nora Guthrie's father die?
Sentence (from "Nora Guthrie"): Nora Lee Guthrie (born January 2, 1950) is the daughter of American folk musician and singer-songwriter Woody Guthrie and his second wife Marjorie Mazia Guthrie, sister of singer-songwriter Arlo Guthrie, and granddaughter of renowned Yiddish poet Aliza Greenblatt.
Relevant evidence: Yes