Question: The bazaar in which the Mustafa Pasha Mosque is located is situated on eastern bank of what river?
Sentence (from "Koca Mustafa Pasha Mosque"): Koca Mustafa Pasha Mosque (Turkish: "Koca Mustafa Paşa Camii" ; also named "Sünbül Efendi Camii") is a former Eastern Orthodox church converted into a mosque by the Ottomans, located in Istanbul, Turkey.
Relevant evidence: No