Question: Since 1994, who has been in charge of the city where Efşan Geçgin was born?

full_context: Document 1: Kaan Ayhan: Kaan Ayhan (born 10 November 1994) is a Turkish professional footballer who plays as a defensive midfielder or centre back as well as operating as a right back for Fortuna Düsseldorf and the Turkish national team.
Document 2: Efe Aydan: Ahmet Efe Aydan (born May 4, 1955 in Ankara, Turkey) is a Turkish former professional basketball player. He is widely regarded as the best Turkish basketball player ever, with 224 caps for the senior Turkish national team. He Turkey's captain in 89 games, and he scored 2,195 points with the senior Turkish national team.
Document 3: 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 4: Çetin Güngör: Çetin Güngör rose through the ranks of the Galatasaray youth and academy team, and was promoted to Galatasaray S.K. first team during the 2009–10 season.
Document 5: 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 6: 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 7: 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 8: 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 9: Efşan Geçgin: Efşan Geçgin (born 26 January 1992 in Keçiören, Ankara) is a Turkish professional footballer. He currently plays as a defender for Bergama Belediyespor.
Document 10: Lütfi Arıboğan: A former Turkish basketball player, Arıboğan played for club teams Çukobirlik, Ankara DSİ, Efes Pilsen, Galatasaray and Ülkerspor from 1971 to 1996. Capped by the Turkish National Basketball teams 243 times, he also captained Galatasaray for six years.
Document 11: Gaziantepspor: Gaziantepspor play their home matches at Gaziantep Kamil Ocak Stadium. The stadium is named after former politician Kamil Ocak (1914–69), who was a member of parliament and a minister of state responsible for sports between 1965 and 1969; he helped build sporting facilities in Gaziantep. The stadium was opened in 1974 and it currently seats 16,981 spectators. The field is covered with grass, and the stadium also has floodlights.
Document 12: 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 13: Giray Kaçar: Remzi Giray Kaçar (born 15 March 1985 in Karaman, Turkey) is a Turkish footballer who is a free agent after leaving Göztepe S.K.
Document 14: 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 15: 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.
ground_truth: Melih Gökçek
sub_queries: Efşan Geçgin >> place of birth Answer: Ankara
Who was in charge of Ankara ? Answer: Melih Gökçek