Question: Which site in Istanbul is more important to the population culturally between Abdi İpekçi Arena and Galatasaray Museum?
Sentence (from "Galatasaray Museum"): Galatasaray Museum (officially Galatasaray University Culture&Art Center) (Turkish: "Galatasaray Müzesi" ) is a cultural center in Istanbul, Turkey, founded in 1868 by Ali Sami Yen, to inform the society of the traditions and history of Galatasaray.
Relevant evidence: Yes