title: Harold Wilson
context: James Harold Wilson, Baron Wilson of Rievaulx, KG,OBE,PC,FRS,FSS (11 March 1916– 24 May 1995) was a British Labour politician who served as Prime Minister of the United Kingdom from 1964 to 1970 and 1974 to 1976.
question: How long was Wilson Prime Minister?
answers: from 1964 to 1970 and 1974 to 1976