Question: What is the date of death of George Tupou V's father?
Sentence (from "Tāufaʻāhau Tupou IV"): Tāufaʻāhau Tupou IV (4 July 1918 – 10 September 2006), son of Queen Sālote Tupou III and her consort Prince Viliami Tungī Mailefihi, was the king of Tonga from the death of his mother in 1965 until his own death in 2006.
Relevant evidence: Yes