Question: Russell Brunell Trood;s election as an Australian Senator provided support for the 25th Prime Minister  of Australia, whose term ended in what year?

Context paragraphs:
Balingian by-election, 2014: A by-election was held for the Sarawak State Assembly seat of Balingian on 29 March 2014 following the nomination day on 17 March 2014.  The incumbent assemblyman and former 33-year Chief Minister, Abdul Taib Mahmud resigned from his post on 28 February 2014.  The seat was declared vacant after he took his seat as the new Yang di-Pertua Negeri of Sarawak, succeeding Abang Muhammad Salahuddin whose term ended on 28 February.  Taib was an assemblyman from the Parti Pesaka Bumiputera Bersatu, a component party of Barisan Nasional.  The former chairman of the party, he won by a majority of 5,154 votes against 2 other candidates in the 2011 election.

William McMahon: Sir William Daniel "Billy" McMahon, {'1': ", '2': ", '3': ", '4': "} PC (23 February 190831 March 1988), was an Australian politician who was the Leader of the Liberal Party and the 20th Prime Minister of Australia from 10 March 1971 to 5 December 1972.  McMahon was a member of the Australian House of Representatives for the seat of Lowe from his election in 1949 until his resignation in 1982.  He rose to power at a bad time for the Coalition after over two decades in power, and he led his government to a loss to the Labor Party led by Gough Whitlam.  He was the longest continuously serving government minister in Australian history - serving 21 years and 6 months - and held the longest tenure as Prime Minister without leading his party to victory at an election, being Prime Minister for 1 year and 270 days.

United Nations Association of Australia: The United Nations Association of Australia (UNAA) is the official non-profit, non-government, membership-based, organization working on behalf of the United Nations core body to promote its overall aims and ideals, and equally seeking to build support for the UN's programs, activities and agencies.  The UNAA official mission is "to inform, inspire and engage all Australians regarding the work, goals and values of the UN to create a safer, fairer and more sustainable world".  It has division offices in every State and Territory of Australia, with the national office run out of Canberra.  Its national president is Major General (Retd) Michael G Smith AO, who succeeded Australian Senator Russell Trood in 2016, who in turn had succeeded Australian Politician Robert Hill in 2012.

Steve Fielding: Steven "Steve" Fielding (born 17 October 1960) is a former Australian senator for the state of Victoria and the former federal parliamentary leader of the Family First Party.  He was elected to the upper house at the 2004 federal election on two per cent of the first-preference votes.  He failed to gain re-election at the 2010 federal election.  His term ended on 30 June 2011.

Russell Trood: Russell Brunell Trood (5 December 1948 – 9 January 2017) was a Liberal Party Senator for the state of Queensland, Australia.  His surprise election as the third Liberal from Queensland in the 2004 Federal Election, along with 38 other Coalition Senators gave the federal government of John Howard a majority in the Senate and thus control of both houses of Parliament.  He did not retain his seat in the Australian federal election, 2010.  His term in the senate ended on 30 June 2011.

Julia Gillard: Julia Eileen Gillard, {'1': ", '2': ", '3': ", '4': "} (born 29 September 1961) is a former Australian politician who was the 27th Prime Minister of Australia from 2010 to 2013, as Leader of the Australian Labor Party.  She was previously the 13th Deputy Prime Minister of Australia, and held the cabinet positions of Minister for Education, Minister for Employment and Workplace Relations and Minister for Social Inclusion from 2007 to 2010.  She was the first and to date only woman to hold the positions of deputy prime minister, prime minister and leader of a major party in Australia.

John Howard: John Winston Howard, {'1': ", '2': ", '3': ", '4': "} (born 26 July 1939) was the 25th Prime Minister of Australia, serving from 11 March 1996 to 3 December 2007.  Only Sir Robert Menzies has served in the position longer.

Samuel Manetoali: Samuel Manetoali (born January 24, 1969) is a member of the National Parliament of the Solomon Islands.  He represents the Gao/Bugotu constituency in Isabel Province.  He attended Lepi Primary School and then went on to do his secondary education at the prestigious King George Sixth National School in Honiara.  He attended law school at the University of Papua New Guinea and graduated with an LLB degree and further unspecified qualifications from the University of Tasmania and University of South Australia.  Prior to entering politics he worked in the country's Public Solicitors Office, then he worked as a private lawyer and a legal adviser to the Isabel Provincial Government.  He first entered parliament in the 2006 general election and re-elected in the 2010 general election. .  He served as the Solomon Islands' Minister of Police, National Security and Correctional Services in Prime Minister Derek Sikua's Cabinet until May 2009, when he was transferred to the position of Minister for Lands, Survey, and Housing.  Following the 2010 general election, he remained in Cabinet, under new Prime Minister Danny Philip, as Minister for Tourism and Culture.  In this year's (2014) general election which was held on the 19th November, he was voted in again for the third term with a landslide victory.  .  He contested as an independent candidate in last week's election. .  As a lawyer, many people had expected more from him seeing that many world leaders including Barack Obama and Tony Abott are lawyers by profession and he appears to be a potential candidate for the prime minister's post given his experience as a politician (3 terms including the current term) and his noble profession.  His current success in the recent election could be attributed to projects such as mini-fisheries projects that he established in the various villages in his constituency.  He also helped the villages and communities by giving handouts such as roofing irons, outboard motor engines, fiber boats, solar panels, cash money and other form of support as a way to maintain and broaden his support.  He also supported local tourism in his constituency by giving financial help to tourism operators such as on Sigana Island,albeit, tourism is still at its infant stage in his constituency.  His other elixir to maintain his popularity and support is through facilitating and sending Bamboo Bands/groups notably the Hageulu bamboo band overseas for the promotion of tourism and culture for the country and he managed to do that in his capacity as the minister of Tourism and Culture in the Lilo-led government.  He was also instrumental in establishing the Gao-Bugotu Cultural Festival initially held in Huali Village in Gao and in Sepi/Lepi Villages in Bugotu.

Selestino Babungi: Selestino Babungi is an accountant and corporate executive in Uganda, the third-largest economy in the East African Community.  He is the managing director and chief executive officer of Umeme, whose shares are traded on both the Uganda Securities Exchange and the Nairobi Stock Exchange, and is the largest independent power distribution company in Uganda.  He was appointed in March 2015 and he assumed his current position on 1 April 2015, replacing Charles Chapman, whose term ended.

Karen Synon: Karen Margaret Synon (born 15 September 1959) was an Australian Senator for the state of Victoria.  Synon was appointed to the Senate on 13 May 1997 as a result of Jim Short's resignation, however she was defeated at the 1998 election and her term ended on 30 June 1999.

Supporting paragraphs: Russell Trood John Howard
Answer: 2007