Question: What record does Sir John Major hold since the death of Margaret Thatcher at the age of 87?
Sentence (from "John Major"): Sir John Major, {'1': ", '2': ", '3': ", '4': "} (born 29 March 1943) is a British politician who was Prime Minister of the United Kingdom and Leader of the Conservative Party from 1990 to 1997.
Relevant evidence: Yes