Question: Gillian Mary Aldridge, is the current mayor of the City of Salisbury, Adelaide, South Australia, he was first elected to the council in 1988, and had served since 2000, as deputy mayor under which ten-time Australian powerlifting champion and the Australian Labor Party member for the House of Representatives seat of Makin in South Australia since the 2007 election?

Context paragraphs:
Sam Piantadosi: Samuel Mathew Piantadosi (April 1946 - 4 March 2010) was an Australian union official and politician.  A senior Western Australian union official and the founding chairman of the Ethnic Communities Council in the 1980s, he was elected as an Australian Labor Party member of the Western Australian Legislative Council at the 1983 state election.  His election made him the first post-war Italian migrant to be elected to the Parliament of Western Australia.  He was re-elected in 1989, but resigned from the Labor Party in 1996, late in his second term, after reading newspaper reports that party figures were suggesting he would retire.  He subsequently resigned from the Legislative Council several months short of the conclusion of his term in an unsuccessful attempt to contest the Legislative Assembly seat of Yokine as an independent at the 1996 state election.  He returned to politics in 2007 as a councillor and later Deputy Mayor of the Town of Bassendean, and held the latter role until his death.

Tony Zappia: Antonio "Tony" Zappia (born 13 June 1952) is a ten-time Australian powerlifting champion and the Australian Labor Party member for the House of Representatives seat of Makin in South Australia since the 2007 election.

Gillian Aldridge: Gillian Mary Aldridge (born 11 November 1946) is the current mayor of the City of Salisbury, Adelaide, South Australia.  Aldridge was first elected to the council in 1988, and had served as deputy mayor under Tony Zappia since 2000.  Aldridge was elected mayor on 11 March 2008 by-election, and was sworn into office on 25 March 2008.

Bill Denny: William Joseph "Bill" Denny, {'1': ", '2': ", '3': ", '4': "} (6 December 1872 – 2 May 1946) was a South Australian journalist, lawyer, politician and decorated soldier who held the South Australian House of Assembly seats of West Adelaide from 1900 to 1902 and then Adelaide from 1902 to 1905 and again from 1906 to 1933.  After an unsuccessful candidacy as a United Labor Party (ULP) member in 1899, he was elected as an "independent liberal" in a by-election in 1900.  He was re-elected in 1902, but defeated in 1905.  The following year, he was elected as a ULP candidate, and retained his seat for that party (the Australian Labor Party from 1917) until 1931.  Along with the rest of the cabinet, he was ejected from the Australian Labor Party in 1931, and was a member of the Parliamentary Labor Party until his electoral defeat at the hands of a Lang Labor Party candidate in 1933.

Amanda Rishworth: Amanda Louise Rishworth (born 10 July 1978) is an Australian politician serving as the Australian Labor Party member for the House of Representatives seat of Kingston in South Australia since the 2007 election.  Rishworth is the Shadow Assistant Minister for Education in the Shorten Shadow Ministry.

John Rau: John Robert Rau SC (born 20 March 1959) is an Australian barrister and politician.  He is the 12th and current Deputy Premier of South Australia since 2011 and 48th and current Attorney-General of South Australia since 2010 for the South Australian Branch of the Australian Labor Party in the Weatherill cabinet.  Rau has been the Labor member of the House of Assembly seat of Enfield since the 2002 election.

Dan Mulcahy: Daniel "Dan" Mulcahy (7 January 1882 – 13 July 1953) was an Australian politician.  Born in Milltown, Ireland, he was educated at Irish Catholic schools and migrated to Australia as a youth.  He became a publican in Sydney and served on both Waterloo Council, including several terms as mayor, and Sydney City Council.  In 1934, he was elected to the Australian House of Representatives as the member for Lang, representing the Langite Australian Labor Party (NSW).  Mulcahy joined the federal Labor Party when the two parties merged in 1936, but left the ALP for the Australian Labor Party (Non-Communist), another Lang party, in 1940.  When this second split was resolved, Mulcahy again joined the federal ALP.  He held his seat until his death in Vaucluse in 1953.

Janelle Saffin: Janelle Anne Saffin (born 1 November 1954) is an Australian former politician.  She was an Australian Labor Party member of the Australian House of Representatives seat of Page from the 2007 election until the 2013 election.

Nick Champion: Nicholas David "Nick" Champion (born 27 February 1972 in Elizabeth, South Australia), is an Australian Labor Party member of the House of Representatives seat of Wakefield since the 2007 election.  He is Shadow Assistant Minister for Manufacturing and Science and the Deputy Chair of the Joint Standing Committee on Foreign Affairs, Defence and Trade.

Martyn Evans: Martyn John Evans (born 27 November 1953 in Birmingham, England), Australian politician, was an Australian Labor Party member of the Australian House of Representatives from March 1994 to October 2004, representing the Division of Bonython, South Australia.  He was educated at The University of Adelaide.  A State Government Administrative Officer before entering politics, Evans was a member of the City of Elizabeth council from 1975–84 and served as Mayor from 1981-84.  He took up the position of Director, Community Engagement at The University of Adelaide in July 2007.

Supporting paragraphs: Gillian Aldridge Tony Zappia
Answer: Tony Zappia