Question: Which one, Boğaziçi University or Basilica Cistern, was built in the 6th century during the reign of Byzantine Emperor Justinian I?
Sentence (from "Basilica Cistern"): The cistern, located 500 ft southwest of the Hagia Sophia on the historical peninsula of Sarayburnu, was built in the 6th century during the reign of Byzantine Emperor Justinian I.
Relevant evidence: Yes