Question: who was the greatest builder under the ottomans and the designer of 312 public buildings
Answer: Koca Mi'mâr Sinân Âğâ ( Ottoman Turkish : معمار سينان ‎ , `` Sinan Agha the Grand Architect '' ; Modern Turkish : Mimar Sinan , pronounced ( miːˈmaːɾ siˈnan ) , `` Sinan the Architect '' ) ( c.