Question: From what country is the coach of the Turkish club based on the European side of the city of Istanbul?
Context: Fenerbahçe is a major sports club based in Istanbul, Turkey, that competes in the Turkish Super League.  The club was founded in 1907 in the Kadıköy district of Istanbul by Ziya Songülen and .  At the time, Turkish youth were not allowed to play football under Ottoman rule, so the club was originally very secretive.  Fenerbahçe was one of the founding members of the Turkish Super League in 1959, and is one of three clubs, alongside Beşiktaş and Galatasaray, to have never been relegated from the league.  Below is a list that shows the seasons played by Fenerbahçe in Turkish football, from 1959 to the most recent completed season.  It details the club's achievements in major competitions.  The club has won the nationwide championships (Super League, National Division and Turkish Football Championship) a record 28 times, the local Istanbul Football Leagues a record 16 times, the Turkish Cup six times, the Turkish Super Cup nine times, the Chancellor Cup a record eight times, the Istanbul Shield a record four times, the Istanbul Football Cup one time, the TSYD Cup 12 times, the Fleet Cup a record four times, the Atatürk Cup a record two times, and the Spor Toto Cup and Balkans Cup once.  Overall, Fenerbahçe is the most successful club in Turkish football history with 92 titles won in total. Kanal İstanbul "(Istanbul Canal)" is a Turkish project for the artificial sea-level waterway, which is being built by the Republic of Turkey on the European side of Turkey, connecting the Black Sea to the Sea of Marmara, and hence to the Aegean and Mediterranean Seas.  Kanal İstanbul would bisect the current European side of Istanbul and thus form an island between the continents of Asia and Europe (the island would have a shoreline with the Black Sea, Sea of Marmara, the new canal and the Bosphorus).  The new waterway would bypass the current Bosphorus.  Kanal İstanbul aims to minimise shipping traffic in the Istanbul Strait.  The project is intended for the 100th anniversary in 2023 of the foundation of the Turkish Republic. Igor Tudor (born 16 April 1978) is a Croatian football manager and former player, currently managing Turkish Süper Lig side Galatasaray. Galatasaray Spor Kulübü (] , "Galatasaray Sports Club") is a Turkish sports club based on the European side of the city of Istanbul in Turkey, most notable for its association football department.  The club also consists of various other departments including basketball, wheelchair basketball, volleyball, water polo, handball, athletics, swimming, rowing, sailing, judo, bridge, motorsport, equestrian, and chess.  Galatasaray S.K. is among the key members of the Galatasaray Community Cooperation Committee together with Galatasaray University and the prestigious Lycée de Galatasaray. Galatasaray Spor Kulübü, also known simply as Galatasaray, is a Turkish football club based on the European side of the city of Istanbul.  It is the association football branch of the larger Galatasaray Sports Club, itself a part of the Galatasaray Community Cooperation Committee which includes the prestigious Lycée de Galatasaray, where the football club was founded in October 1905 consisting entirely of students members. Bahçelievler (meaning "houses with gardens" in Turkish) is a large middle class residential suburb of Istanbul, Turkey, on the European side of the city.  It is accessible from the D.100 that runs from the Istanbul airport to the Asian side of the city, covers 5% of Istanbul's land area and is home to over 570,000 people.  Bahçelievler is the northern neighbour of Bakırköy, with a similar area. Istanbul ( , or ; Turkish: "İstanbul" ] ), historically known as Constantinople and Byzantium, is the most populous city in Turkey and the country's economic, cultural, and historic center.  Istanbul is a transcontinental city in Eurasia, straddling the Bosphorus strait (which separates Europe and Asia) between the Sea of Marmara and the Black Sea.  Its commercial and historical center lies on the European side and about a third of its population lives on the Asian side. Turkish Technic (Turkish Airlines Maintenance Center), is the maintenance, repair and overhaul (MRO) center of Turkish Airlines.  Third party airlines are also served.  Turkish Technic is headquartered at Istanbul Ataturk International Airport (IST) on the European side of Istanbul.  However, a new complex built at Sabiha Gökçen International Airport (SAW) on the Asian (Anatolia) side of Istanbul, formerly named Turkish Habom (Habom being short for "aviation MRO"), is poised to become the main center of operations. Istanbul Province (Turkish: ' ), also the Istanbul Metropolitan Municipality"' ("İstanbul Büyükşehir Belediyesi") is a province located in northwestern Turkey.  It has an area of 5,343.02 km2 and a population of 14,804,116 as of 2016.  It is surrounded by the provinces of Tekirdağ to the west, Kocaeli to the east, the Black Sea to the northern part and the Sea of Marmara to the south.  The Bosphorus Strait divides the province in two parts: the European side and the Asian side.  Out of a population of 12.9 million in 2009, roughly 8 million lived on the European side and the remaining 5 million lived on the Asian. The CEV Champions League was the highest level of European club volleyball in the 2016–17 season and the 57th edition.  The Turkish club VakıfBank Istanbul won its third title and qualified to the 2017 FIVB Club World Championship as European champion, besides being already invited by the FIVB, along with Eczacıbaşı VitrA and Voléro Zürich.  The Italian club Imoco Volley Conegliano won the silver medal and Turkish Eczacıbaşı VitrA claimed the bronze medal.  The Chinese Zhu Ting from VakıfBank Istanbul was awarded Most Valuable Player.  Fourth placed club, Dinamo Moscow later received the last wild card to the Club World Championship by the FIVB.
Answer: Croatian