Question: Beatrice Helen Beckett was the first wife of a politician who served three periods as what?
Sentence (from "Nicholas Eden, 2nd Earl of Avon"): Nicholas Eden, 2nd Earl of Avon, OBE (3 October 1930 – 17 August 1985), styled Viscount Eden between 1961 and 1977, was a British Army officer and, later, a Conservative politician.
Relevant evidence: No