Task: Question Understanding
Input (English): Context : Louis Joseph Ferdinand Hérold (28 January 1791 -- 19 January 1833), better known as Ferdinand Hérold (pronounced: (fɛʁdinɑ̃ eʁɔld)), was a French operatic composer of Alsatian descent who also wrote many pieces for the piano, orchestra, and the ballet. 
Question : On which date did Ferdinand Hérold die?
Output (English): date of death