Question: Which Canadian-born Australian politician filled the vacancy left by the retirement of the Australian former politician who served as a member of the New South Wales Legislative Council between 1991 and 2011?

full_context: Document 1: Fred Nile: Frederick John "Fred" Nile ED MLC (born 15 September 1934) is an Australian politician and ordained Christian minister. Nile has been a member of the New South Wales Legislative Council since 1981, except for a period in 2004 when he resigned to unsuccessfully contest the Australian Senate at the 2004 federal election. Nile was re-elected at the March 2007 state election and is currently Assistant President of the Legislative Council. He is the longest-serving member of the New South Wales parliament. In November 2009 he stated his decision to retire in 2015, but later announced his decision to accept the Christian Democratic Party (CDP) nomination for the NSW Legislative Council at the New South Wales State Election on 28 March 2015.
Document 2: Luke Foley: Luke Aquinas Foley (born 27 July 1970) is an Australian politician who serves as the Leader of the Opposition in the Parliament of New South Wales and as parliamentary leader of the New South Wales branch of the Australian Labor Party. Foley was a member of the New South Wales Legislative Council since 19 June 2010 until his resignation to contest the Legislative Assembly seat of Auburn at the 2015 New South Wales election.
Document 3: Ed Miliband: Edward Samuel Miliband (born 24 December 1969) is a British politician who was Leader of the Labour Party as well as Leader of the Opposition between 2010 and 2015. He became the Member of Parliament (MP) for Doncaster North in 2005, being re-elected in 2010, 2015, and 2017, and served in the Cabinet from 2007-10 under Prime Minister Gordon Brown.
Document 4: Chris Minns: Christopher John Minns (born 17 September 1979) is an Australian politician who was elected to the New South Wales Legislative Assembly as the member for Kogarah for the Australian Labor Party at the 2015 New South Wales state election. He is currently the opposition spokesman for Water and head of the opposition's waste watch committee.
Document 5: Stuart Ayres: Stuart Laurence Ayres (born 24 November 1980), an Australian politician, is the New South Wales Minister for Sport since April 2014, the Minister for WestConnex and the Minister for Western Sydney since January 2017 in the Berejiklian government. Ayres is a member of the New South Wales Legislative Assembly since 19 June 2010, representing the electorate of Penrith as a member of the Liberal Party of Australia. Ayres has previously served as the Minister for Trade, Tourism and Major Events between 2015 and 2017; and the Minister for Police and Emergency Services during 2014 and 2015; the Minister Assisting the Premier on Western Sydney between 2013 and 2015; and the Minister for Fair Trading between 2011 and 2014.
Document 6: Eddie Obeid: Edward Moses "Eddie" Obeid (born 25 October 1943) is an Australian former politician who served as a member of the New South Wales Legislative Council between 1991 and 2011, representing the Australian Labor Party. He was the Minister for Fisheries and the Minister for Mineral Resources from 1999–2003. Prior to the March 2015 expiry of his term in the Legislative Council, Obeid announced his decision to retire early on 10 May 2011, citing family reasons.
Document 7: Walt Secord: Walter "Walt" Secord (born 25 December 1964) is a Canadian-born Australian politician. He has been an Australian Labor Party member of the New South Wales Legislative Council since May 2011, when he was elected to fill the vacancy left by the retirement of Eddie Obeid. Secord was previously the Chief of Staff to former NSW Premier, Kristina Keneally.
Document 8: Eddie McGuire: Edward Joseph McGuire AM (born 29 October 1964) is an Australian radio and television presenter, commentator, journalist, media businessman and sporting president known for his long association with Australian rules football (AFL) and Channel Nine, with company McGuire Media
Document 9: Cabinet Secretary (Australian minister): The Cabinet Secretary was a former title conferred on an Australian minister responsible for assisting the Prime Minister to manage the day-to-day procedural and operational matters of the Cabinet and any Cabinet committees. As per all other ministers in the Westminster system, the Cabinet Secretary was a sitting member of Parliament, chosen by the Prime Minister and officially appointed by the Governor-General. The Cabinet Secretary was a portfolio minister of the Department of the Prime Minister and Cabinet and existed at various stages between 2007 and 2017, when the position was abolished.
Document 10: Tim Owen: Timothy Francis "Tim" Owen {'1': ", '2': ", '3': ", '4': "} (born 29 October 1955) is a former Australian politician and a former deputy commander of the Australian Forces in Iraq and Afghanistan. He was a member of the New South Wales Legislative Assembly representing the electoral district of Newcastle for the Liberal Party of Australia from the 2011 New South Wales state election until 6 August 2014 when he moved to the parliamentary crossbench and sat as an independent after the Independent Commission Against Corruption heard evidence that Owen may have breached electoral funding laws. In May 2014, Owen had announced that he would not contest his seat at the next state election. On 12 August 2014 Owen resigned from parliament triggering the 2014 Newcastle by-election.
Document 11: Bob Debus: Robert John Debus {'1': ", '2': ", '3': ", '4': "} (born 16 September 1943), a former Australian politician, has been a member of the Australian House of Representatives and the New South Wales Legislative Assembly, representing the Australian Labor Party. Debus has been a minister in both the Australian and New South Wales governments. He served in the NSW Parliament from 1981 to 1988 and again from 1995 to 2007; and in the Australian Parliament from 2007 to 2010.
Document 12: Frank Sartor: Francesco Ernest "Frank" Sartor AO (born 9 November 1951) a former Australian politician, was New South Wales Minister for Climate Change and the Environment and Minister Assisting the Minister for Health (Cancer) between 2009 and 2011. He was a Member of the New South Wales Legislative Assembly representing Rockdale for the Australian Labor Party between 2003 and 2011. Sartor has previously been Minister for Planning, Redfern Waterloo and the Arts, and Minister for Water and Utilities in the Iemma and Carr governments. Before being elected to the New South Wales Parliament, Sartor is the second longest-serving Lord Mayor of Sydney after Clover Moore, having held the post for nearly 12 years from September 1991 to March 2003. Sartor retired from politics at the 2011 state election.
Document 13: Kristina Keneally: Kristina Kerscher Keneally (born 19 December 1968) is a journalist and former Australian politician who served as the 42nd Premier of New South Wales. She was elected leader of the Australian Labor Party in New South Wales and thus Premier in 2009, but went on to lose government to the Liberal/National Coalition at the March 2011 state election. On 29 June 2012, Keneally resigned from parliament.
Document 14: Steve Whan: Steven James Robert "Steve" Whan ( ) (born 11 February 1964), an Australian politician, was a member of the New South Wales Legislative Council from 2011 to 2015. Whan represented the electoral district of Monaro in the New South Wales Legislative Assembly for the Australian Labor Party from 2003 until his defeat at the 2011 state election. Whan served as Minister of Emergency Services, Minister for Small Business and Minister for Rural Affairs in the Rees and Keneally ministries from 2009 to 2011.
Document 15: Division of East Sydney: Australian Electoral Division in New South Wales. The division was created in 1900 and was one of the original 75 divisions contested at the first federal election. It was abolished in 1969. It was named for the suburb of East Sydney. It was located in the inner eastern suburbs of Sydney, including Darlinghurst, Paddington, Redfern, Surry Hills and Waverley. After 1910 East Sydney was usually a safe seat for the Australian Labor Party. In the 1930s it was a stronghold of Lang Labor. Its most prominent members were Sir George Reid, who was Prime Minister of Australia in 1904-05, and Eddie Ward, a long-serving Labor member and Cabinet minister.
ground_truth: Walter "Walt" Secord