Question: What is the date of birth of Mohd Nazifuddin Najib's father?
Sentence (from "Najib Razak"): He was the former President of the United Malays National Organisation (UMNO), the leading party in Malaysia's Barisan Nasional (BN) coalition, which maintained control of Malaysia's government as a parliamentary majority for more than sixty years until the coalition's defeat in the 2018 general election.
Relevant evidence: No