Question: Mário Custódio Nazaré had a 15 day contract with the sports club based in what city?

Context paragraphs:
Beşiktaş J.K.: Beşiktaş Jimnastik Kulübü (] , English: Beşiktaş Gymnastics Club ), known as simply Beşiktaş (pronounced: "Beshiktash"), is a Turkish sports club founded in 1903, and based in the Beşiktaş district of Istanbul.

Beyoğlu S.K.: Beyoğluspor Kulübü (Greek: ΑΣΠ; Αθλητικός Σύλλογος Πέραν ), known as the Beyoğlu Sports Club, Pera Sports Club, or Pera Club, is an amateur sports club based in Istanbul, Turkey.  It fields teams in volleyball, basketball and football.

Al Sadd SC: Al-Sadd Sports Club (Arabic: نادي السد الرياضي‎ ‎ ) is a Qatari sports club based in the Al Sadd district of the city of Doha.  It is best known for its association football team, which competes in the top level of Qatari football, the Qatar Stars League.  Locally, it is known primarily by the nickname "Al Zaeem", which translates to "The Boss".  In addition to the Al Saad handball team, the club has participation in handball, basketball, volleyball, table tennis and athletics.  It is the most successful sports club in the country, and holds a national record of 53 official football championships.

Borussia Dortmund: Ballspielverein Borussia 09 e.V. Dortmund, commonly known as Borussia Dortmund ] , BVB, or simply Dortmund, is a German sports club based in Dortmund, North Rhine-Westphalia ("Borussia" is the Latin equivalent of Prussia).  The football team is part of a large membership-based sports club with more than 145,000 members, making BVB the second largest sports club by membership in Germany.  Dortmund plays in the Bundesliga, the top tier of the German football league system.  Dortmund is one of the most successful clubs in German football history.

Mário Custódio Nazaré: Mário Custódio Nazaré or simply Marinho (born April 1, 1976 in Santos, São Paulo), is a Brazilian footballer who currently plays for Ponte Preta.  In 2002, he signed for Beşiktaş but his contract was terminated just 15 days later.

Al-Mesaimeer Sports Club: Al-Mesaimeer Sports Club (Arabic: نادي المسيمير الرياضي‎ ‎ ) is a Qatari multi-sports club based in Mesaimeer.  Its football department plays in the Qatar Stars League.  It was previously known as "Al-Nahda Sports Club", then "Al-Shoala", and finally, today it is known as "Mesaimeer Sports Club".  It was promoted to the first division of Qatari football for the first time in history in the 2014–15 season.

Al-Muharraq SC: Al-Muharraq Sports Club (Arabic: نادي المحرق الرياضي‎ ‎ ) is a Bahraini football club based in Muharraq.  It is one of the oldest sports club in the Arabian Peninsula Region.  Al-Muharraq Sports Club has won the Bahraini Football Premier League 33 times.  Al-Muharraq Sports Club also takes part in other sports than football like Basketball and Volleyball.  Historically, Al-Muharraq Sports Club football team resembles most of Bahrain national football team.  Muharruq is the one of the biggest clubs in Bahrain football history if not the biggest.  Muharruq Also Won the crown prince cup 5 times Making them the most team winning it.  Muharruq won the Bahrain King Cup 32 times the second most team who have won it is Al Ahli they won it 8 times.

Al-Shorta SC: Al-Shorta Sports Club ("Police Sports Club", Arabic: نادي الشرطة الرياضي‎ ‎ ) is an Iraqi sports club based in Rusafa District, East Districts of the Tigris River, Baghdad.  It has teams in many different sports including football,

Manila Nomads Sports Club: The Manila Nomads Sports Club, or simply the Nomads Sports Club or the Manila Nomads, is a sports club based in Parañaque, Metro Manila, Philippines.  The sports club primarily focuses on its association football team which played in the United Football League, the highest level of Philippine club football.

S.C. Beira-Mar: Sport Clube Beira-Mar (] ) is a Portuguese sports club based in Aveiro, Portugal.  Its football team currently plays in the Aveiro FA First Division, holding home games at "Estádio Mário Duarte".

Supporting paragraphs: Mário Custódio Nazaré Beşiktaş J.K.
Answer: Istanbul