title: Marco Pastors
Dan Rogers
Asesela Ravuvu
St. Catharines municipal election, 2006
Pittsburgh mayoral election, 1937
Gregor Robertson (politician)
Ghassan Shakaa
Yasser Arafat
Livingston, Tennessee
Jean-Jacques Démafouth
sentences: Pastors was political leader of the local party Livable Rotterdam (Leefbaar Rotterdam), a member of the city council and also an alderman of the municipality of Rotterdam.
 Besides he was political leader of One NL (Een NL), a Dutch political party at the national level.
Dan Rogers is a Canadian politician.
 He was the mayor of Prince George, British Columbia.
 He previously served as a city councillor for Prince George City Council until his resignation to run for the mayoral position.
Asesela Ravuvu (10 May 1931 — 11 March 2008) was a Fijian academic and political leader.
 The Director of Pacific Studies at the University of the South Pacific, Professor Ravuvu was appointed to the Fijian Senate by the Great Council of Chiefs in 2001, to one of the 14 Senate seats (out of 32 in total) allocated to the Great Council.
 As of September 2005, he held the position of Leader of the House in the Senate, but retired from this body in 2006.
The 2006 St. Catharines municipal election took place on 13 November 2006 to determine a mayor, regional and city councillors and school trustees in the city of St. Catharines, Ontario.
 The incumbent mayor, Tim Rigby, vacated the mayoral position and ran for election to Niagara Regional Council.
The Mayoral election of 1937 in Pittsburgh, Pennsylvania was held on Tuesday, November 2, 1937.
 Incumbent Democrat Conn Scully, the former City Council President who had assumed the executive rank in October 1936, after the resignation of William McNair, was elected to a first full term.
 The McNair administration had been shrouded in controversy, including hostile relations between the mayor and both city council and the county bureaucracy, as well as a slow response to the devastating St. Patrick's Day Flood.
 Scully had been a vocal McNair adversary and was closely connected to David L. Lawrence, the state party chairman and city political leader (who later became mayor); this position saved the mayor's office for Democrats, who had been only recently empowered in the city.
 The race featured a strong GOP opponent in Bob Waddell, the popular football coach at Carnegie Tech (now Carnegie Mellon University).
Gregor Angus Bethune Robertson (born September 18, 1964) is a Canadian politician who has been the 39th Mayor of Vancouver, British Columbia, since 2008.
 He was elected as part of the Vision Vancouver party slate.
 He served as an MLA for Vancouver-Fairview, as a member of the New Democratic Party of British Columbia, from 2005 until his resignation in 2008 to run for the mayoral position.
Ghassan Shakaa (Arabic: غسان الشكعة‎ ‎ , Ghassān Shak’ā ) (born 1943) is the mayor of Nablus since October 2012, one of the largest cities in the West Bank.
 Another former Nablus mayor, Bassam Shaka, is his uncle.
 Shakaa was appointed to his position by Yasser Arafat.
 His brother was assassinated by a still unknown group.
 Shakaa published an open letter in which he called for the Palestinian National Authority to restore order to his politically divided city.
Mohammed Yasser Abdel Rahman Abdel Raouf Arafat al-Qudwa ( ; Arabic: محمد ياسر عبد الرحمن عبد الرؤوف عرفات‎ ‎ ‎ ; 24 August 1929 – 11 November 2004), popularly known as Yasser Arafat (Arabic: ياسر عرفات‎ ‎  , "Yāsir `Arafāt ") or by his kunya Abu Ammar (Arabic: أبو عمار‎ ‎  , "'Abū `Ammār "), was a Palestinian political leader.
 He was Chairman of the Palestine Liberation Organization (PLO) from 1969 to 2004 and President of the Palestinian National Authority (PNA) from 1994 to 2004.
 Ideologically an Arab nationalist, he was a founding member of the Fatah political party, which he led from 1959 until 2004.
Livingston is a town in Overton County, Tennessee, United States, and serves as the county seat.
 The population was 3,498 at the 2000 census and 4,058 at the 2010 census.
 The current mayor, Curtis Hayes, began serving his mayoral position in September 2006.
Jean-Jacques Démafouth (born November 3, 1959 in Bangui) is a political leader in the Central African Republic.
 He is a former Defense Minister, Presidential candidate, and is the current political leader of the APRD rebel group.
 He led the peace delegation of the APRD to talks with the government in December 2008.

Question: Question: Ghassan Shakaa was appointed to the mayoral position by which political leader? 

 Your answer will be verified with exact match score. To ensure correct verification, only provide the answer within the <answer> </answer> tags. Do not put any sentences or reasoning process within the <answer> </answer> tags. 

Supporting Information: Paragraph 0 

 Pastors was political leader of the local party Livable Rotterdam (Leefbaar Rotterdam), a member of the city council and also an alderman of the municipality of Rotterdam.
 Besides he was political leader of One NL (Een NL), a Dutch political party at the national level. 

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Paragraph 1 

 Dan Rogers is a Canadian politician.
 He was the mayor of Prince George, British Columbia.
 He previously served as a city councillor for Prince George City Council until his resignation to run for the mayoral position. 

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Paragraph 2 

 Asesela Ravuvu (10 May 1931 — 11 March 2008) was a Fijian academic and political leader.
 The Director of Pacific Studies at the University of the South Pacific, Professor Ravuvu was appointed to the Fijian Senate by the Great Council of Chiefs in 2001, to one of the 14 Senate seats (out of 32 in total) allocated to the Great Council.
 As of September 2005, he held the position of Leader of the House in the Senate, but retired from this body in 2006. 

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Paragraph 3 

 Gregor Angus Bethune Robertson (born September 18, 1964) is a Canadian politician who has been the 39th Mayor of Vancouver, British Columbia, since 2008.
 He was elected as part of the Vision Vancouver party slate.
 He served as an MLA for Vancouver-Fairview, as a member of the New Democratic Party of British Columbia, from 2005 until his resignation in 2008 to run for the mayoral position. 

--------------------------------

Paragraph 4 

 Ghassan Shakaa (Arabic: غسان الشكعة‎ ‎ , Ghassān Shak’ā ) (born 1943) is the mayor of Nablus since October 2012, one of the largest cities in the West Bank.
 Another former Nablus mayor, Bassam Shaka, is his uncle.
 Shakaa was appointed to his position by Yasser Arafat.
 His brother was assassinated by a still unknown group.
 Shakaa published an open letter in which he called for the Palestinian National Authority to restore order to his politically divided city. 

--------------------------------

Paragraph 5 

 Mohammed Yasser Abdel Rahman Abdel Raouf Arafat al-Qudwa ( ; Arabic: محمد ياسر عبد الرحمن عبد الرؤوف عرفات‎ ‎ ‎ ; 24 August 1929 – 11 November 2004), popularly known as Yasser Arafat (Arabic: ياسر عرفات‎ ‎  , "Yāsir `Arafāt ") or by his kunya Abu Ammar (Arabic: أبو عمار‎ ‎  , "'Abū `Ammār "), was a Palestinian political leader.
 He was Chairman of the Palestine Liberation Organization (PLO) from 1969 to 2004 and President of the Palestinian National Authority (PNA) from 1994 to 2004.
 Ideologically an Arab nationalist, he was a founding member of the Fatah political party, which he led from 1959 until 2004. 

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Paragraph 6 

 Livingston is a town in Overton County, Tennessee, United States, and serves as the county seat.
 The population was 3,498 at the 2000 census and 4,058 at the 2010 census.
 The current mayor, Curtis Hayes, began serving his mayoral position in September 2006. 

--------------------------------

Paragraph 7 

 Jean-Jacques Démafouth (born November 3, 1959 in Bangui) is a political leader in the Central African Republic.
 He is a former Defense Minister, Presidential candidate, and is the current political leader of the APRD rebel group.
 He led the peace delegation of the APRD to talks with the government in December 2008. 

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Answer: Mohammed Yasser Abdel Rahman Abdel Raouf Arafat al-Qudwa