Question: Church of St. George of Samatya and Gülhane Park, are located in which mutual city?
Sentence (from "Church of St. George of Samatya"): Saint George of Samatya or Surp Kevork (Armenian: "Սամաթիոյ Սուրբ Գէորգ Եկեղեցի"; Turkish name: "Sulu Manastır", meaning: "Water Monastery") is an Armenian church in Istanbul.
Relevant evidence: Yes