Question: Barry James O'Sullivan, an Australian politician, a former police detective, grazier, property developer and LNP executive treasurer, O'Sullivan was appointed by the Queensland Parliament to the Senate seat vacated by which Australian politician who has served as the Deputy Prime Minister of Australia?
Sentence (from "Barry O'Sullivan (politician)"): Barry James O'Sullivan (born 24 March 1957), Australian politician, was appointed a member of the Australian Senate for the state of Queensland on 11 February 2014, representing the Liberal National Party (LNP).
Relevant evidence: No