Question: What nationality is the director of film İstanbul'Un Kızları?
Sentence (from "İstanbul'un Kızları"): İstanbul'un Kızları is a 1964 Turkish crime drama film, directed by Halit Refiğ and starring Cüneyt Arkın, Nilüfer Aydan, and Handan Adali.
Relevant evidence: Yes