Question: What is the name of this 76th Governor of New Hampshire and US Senator, who was the son of Catherine Gregg?
Sentence (from "John H. Sununu"): John Henry Sununu (born July 2, 1939) is a Cuban-born American politician who served as the 75th Governor of New Hampshire (1983–89) and later White House Chief of Staff under President George H. W. Bush.
Relevant evidence: No