Task: Question Understanding
Input (English): Context : Mahmud II (Ottoman Turkish: محمود ثانى Mahmud-u sānī, محمود عدلى Mahmud-u Âdlî) (Turkish: II. Mahmud) (20 July 1785 -- 1 July 1839) was the 30th Sultan of the Ottoman Empire from 1808 until his death in 1839. 
Question : What led to Mahmud II's death?
Output (English): medical condition