user: Question: what is other names when death is May 23, 1821?
Columns: ['Name', 'Other names', 'Birth', 'Death', 'Death Place', 'Mother']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Sayyid Baber Ali Khan Bahadur', 'N.A.', 'N.A.', 'April 28, 1810', 'N.A.', 'Faiz-un-nisa Begum']
SQL:

assistant: SELECT "Other names" FROM "Table" WHERE "Death" = 'May 23, 1821';