Question: In what building is the sponsor of the 2017–18 EuroLeague headquartered?
Sentence (from "Turkish Airlines"): Turkish Airlines (Turkish: "Türk Hava Yolları") () is the national flag carrier airline of Turkey, headquartered at the Turkish Airlines General Management Building on the grounds of Atatürk Airport in Yeşilköy, Bakırköy, Istanbul.
Relevant evidence: Yes