Question: William Alexander Watson Sheldon (18 January 1907 – 1 November 1999) was an Irish politician and farmer, he was re-elected as an independent or nonpartisan politician starting in which year? 
Sentence (from "William Sheldon (Irish politician)"): He was re-elected as an independent TD at the 1944, 1948, 1951, 1954 and 1957 general elections.
Relevant evidence: Yes