Question: What is the date of death of Mohammed Bin Nawwaf Bin Abdulaziz's father?
Sentence (from "Mohammed bin Nawwaf bin Abdulaziz"): Arabic: محمد بن نواف بن عبدالعزيز آل سعود; born 22 May 1953) and is a Saudi diplomat who had been Saudi Arabia's Ambassador to the United Kingdom in 2005-18.
Relevant evidence: No