user: Question: Who is the successor when the reason for change is Seat declared vacant January 2, 1808
Columns: ['District', 'Vacator', 'Reason for change', 'Successor', 'Date successor seated']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['North Carolina 7th', 'John Culpepper (F)', 'Seat declared vacant January 2, 1808', 'John Culpepper (F)', 'Seated February 23, 1808']
SQL:

assistant: SELECT "Successor" FROM "Table" WHERE "Reason for change" = 'Seat declared vacant January 2, 1808';