Question: What is the date of death of Princess Margaret, Countess Of Snowdon's father?
Sentence (from "Princess Margaret, Countess of Snowdon"): Princess Margaret, Countess of Snowdon, (Margaret Rose Windsor; 21 August 1930 – 9 February 2002) was the younger daughter of King George VI and Queen Elizabeth and the only sibling of Queen Elizabeth II.
Relevant evidence: Yes