<prompt> Translate the following text to SwahiliThe sultan returned to Ghazni and, leaving Qutb-ud-din in charge, moved east to Bengal, destroying centers of Buddhism such as the University of Nalanda.  <response>: Sultan alirudi Ghazni na, akimwacha Qutb-ud-din akisimamia, akahamia mashariki hadi Bengal, akiharibu vituo vya Ubudha kama vile Chuo Kikuu cha Nalanda. 