user: Question: Name the total number of party for Willis Alston
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['North Carolina 2', 'Willis Alston', 'Jacksonian', '1798 1825', 'Re-elected', 'Willis Alston (J) 93.9% George E. Spruill 6.1%']
SQL:

assistant: SELECT COUNT("Party") FROM "Table" WHERE "Incumbent" = 'Willis Alston';