Question: Walled Obelisk and Kadıköy are located in what country?
Sentence (from "Walled Obelisk"): The Walled Obelisk (also known as the Constantine Obelisk or Masonry Obelisk) is situated near the Serpentine Column at the southern side of the Hippodrome of Constantinople (now Sultanahmet Square) in Istanbul, Turkey.
Relevant evidence: Yes