<prompt> Translate the following text to EnglishJumba hilo lilijengwa mwaka 1597 na Valid Sultan Safiyyah, mama ya Mehmed III, lakini lilikamilika mwaka 1663, na hivyo kuwa jumba la kifalme la Kiislamu la Istanbul.  <response>: Commissioned in 1597 by the Valide Sultan Safiye, mother of Mehmet III, it was not completed until 1663, making the Yeni Camii the youngest of Istanbuls classical mosques. 