<prompt> Translate the following text to EnglishBaada ya kuuawa kwa bwana wake, Qutb-ud-din alijiita sultani wa Delhi, kiongozi wa nasaba ya kwanza ya Kiislamu nchini India.  <response>: After his masters assassination in 1206, Qutb-ud-din proclaimed himself sultan of Delhi, head of Indias first Islamic dynasty. 