Question: In which language, native to the country in which the French St. Joseph High School is situated, is the Cistern of the Hebdomon () known as the Fildamı Sarnıcı?
Sentence (from "St. Joseph High School (Istanbul)"): Lycée Saint-Joseph (Turkish: "İstanbul Özel Saint-Joseph Fransız Lisesi" ) is a private high school located in Istanbul, Turkey.
Relevant evidence: Yes