Question: Who was in charge of Cansu Çetin's birthplace?

full_context: Document 1: Düzce: Düzce is the capital city of Düzce Province is the eighty-first Province in Turkey. Dursun Ay (AKP) was elected the mayor in the provincial council after Mehmet Keleş resigned from the position. The population in 2009 was 125,240, an increase from 61,878 in 1990.
Document 2: Songül Dikmen: Songül Dikmen Gürsoytrak (born May 8, 1981 in Ankara) is a Turkish volleyball player. She is tall and plays as libero who is currently free agent and last played for Fenerbahçe Acıbadem. She also played for İller Bankası, Emlak Toki, Gaziantep Şahinbey Bld. and Konya Ereğli. Songül won Turkish League, Cup and Super Cup championship with Fenerbahçe Acıbadem in 2009-10 season.
Document 3: Şükrü Sina Gürel: A native of İzmir and a member of the Democratic Left Party (DSP), Gürel represented his country at the Council of Europe from 22 April 1996 to 26 January 1998. He became foreign minister following the resignation of his predecessor, İsmail Cem on 10 July 2002. Later in the year he ceded the office to Yaşar Yakış.
Document 4: Dilek Kınık: Dilek Kınık (born 1995 in Ankara, Turkey) is a Turkish female volleyball player. She is tall and plays as a Lİbero. She plays for Vakıfbank Spor Kulübü and wears the number 1.
Document 5: Akureyri: The last elections to the town council were held on May 31, 2014. The People's List (Listi fólksins), which won an outright majority in 2010, and The Town List (Bæjarlistinn) merged into L-list, The Town List of Akureyri. They had seven representatives together but now have only two, 18.8%. The Independence Party (Sjálfstæðisflokkurinn) received the most votes, three seats in the council, 25.8%, instead of only one previously. Social Democratic Alliance (Samfylkingin) and Progressive Party (Framsóknarflokkurinn) each got two seats instead of the previous one each. Left-Green Movement (Vinstri hreyfingin grænt framboð) and Bright Future (Björt framtíð) each got one seat. L-list, Social Democratic Alliance, and Progressive Party formed a new majority in the council. The new majority decided that Eiríkur Björn Björgvinsson, mayor of Akureyri since 2010, would continue to serve as mayor.
Document 6: Kübra Kegan: Kübra Kegan (born July 18, 1995 in Ankara, Turkey) is a Turkish female volleyball player. She is tall at and plays in the setter position. Kegan is a member of the Turkey women's youth national volleyball team, and wears number 11.
Document 7: 55th government of Turkey: The 55th government of Turkey (30 June 1997 – 11 January 1999) was a coalition government led by Mesut Yılmaz of Motherland Party (ANAP). Coalition partners with Motherland Party were Democratic Left Party (DSP) and Democrat Turkey Party (DTP). The government was nicknamed "Anasol-D", where "Ana" refers to ANAP, sol (left) refers to DSP, and D refers to DTP.
Document 8: Ali Babacan: Ali Babacan (; born 4 April 1967 in Ankara, Turkey) is a Turkish politician. He is member of the parliament and former Deputy Prime Minister of Turkey responsible for the Economy. He first served as the Minister of State in charge of economic affairs in the 58th cabinet from the Justice and Development Party (AK Party). He retained this position throughout the 58th and 59th Governments of the Republic of Turkey. On 29 August 2007 he was appointed as the Minister of Foreign Affairs of the 60th Government of the Republic of Turkey. During 2009–2015 he served as the Deputy Prime Minister for Economic and Financial Affairs of Turkey. He is married with three children. In 2019, Babacan left the AKP, citing “deep differences” over the party’s direction as a reason.
Document 9: Cansu Çetin: Cansu Çetin (born May 26, 1993 in Ankara, Turkey) is a Turkish female volleyball player. She is tall at . She was with Sarıyer Belediyesi before she transferred in 2014 to Beşiktaş. After one season with Beşiktaş she transferred to the Vakıfbank. Çetin is a member of the Turkey women's national volleyball team.
Document 10: Ankara: Melih Gökçek has been the Metropolitan Mayor of Ankara since 1994 as a politician from the Welfare Party. He later joined the Virtue Party and then the AKP. Initially elected in the 1994 local elections, he was re-elected in 1999, 2004 and 2009. In the 2014 local election, Gökçek stood for a fifth term. The MHP metropolitan mayoral candidate for the 2009 local elections, conservative politician Mansur Yavaş, stood as the CHP candidate against Gökçek. In a heavily controversial election, Gökçek was declared the winner by just 1% ahead of Yavaş amid allegations of systematic electoral fraud. With the Supreme Electoral Council and courts rejecting Yavaş's appeals, he has declared intention to take the irregularities to the European Court of Human Rights. Although Gökçek was inaugurated for a fifth term, most election observers believe that Yavaş was the winner of the election.
Document 11: Greek Radical Movement: The next year, in the local elections of 1990, Antonis Tritsis decided to run for the Municipality of Athens. He send a letter to the leaders of all political parties and asked their support. On October 14, 1990, Tritsis elected Mayor of Athens as the leader of a coalition between New Democracy and Greek Radical Movement.
Document 12: Melisa Can: Melisa Can (born May 12, 1984 in Iowa) aka Michelle Marie Campbell is U.S. born Turkish female basketball player at the power forward position who plays for Adana ASKİ.
Document 13: Macit Özcan: Macit Özcan, (born 1954 in Karataş, Adana Province, Turkey) is a Turkish politician of the Republican People's Party (CHP) and the former mayor of Mersin.
Document 14: Sabriye Gönülkırmaz: Sabriye Gönülkırmaz (born May 17, 1994 in Istanbul, Turkey) is a Turkish female volleyball player. She is tall at . Played in the past as wing spiker, she changed her position now to middle blocker. She currently plays for Yeşilyurt Women's Volleyball Team, which competes in the Turkish Women's Volleyball League. Gönülkırmaz is a member of the Turkey women's youth national volleyball team, and wears number 13.
Document 15: Nilay Konar: Nilay Konar (born August 30, 1980 in Ankara) is a Turkish volleyball player. She is 191 cm and plays as middle blocker. She plays for Galatasaray Medical Park.
ground_truth: Melih Gökçek
sub_queries: Cansu Çetin >> place of birth Answer: Ankara
Who was in charge of Ankara ? Answer: Melih Gökçek