user: Question: Name the vacator for Resigned February 26, 1836 because of ill health
Columns: ['District', 'Vacator', 'Reason for change', 'Successor', 'Date successor seated']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['South Carolina 6th', 'Vacant', 'Rep. Warren R. Davis died during previous congress', 'Waddy Thompson, Jr. ( AJ )', 'Seated September 10, 1835']
SQL:

assistant: SELECT "Vacator" FROM "Table" WHERE "Reason for change" = 'Resigned February 26, 1836 because of ill health';