CREATE TABLE table_73997 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT, "Candidates" TEXT)

Name the total number of party for willis alston
SELECT COUNT("Party") FROM table_73997 WHERE "Incumbent" = 'Willis Alston'
SELECT COUNT("Party") FROM "table_73997" WHERE "Incumbent" = 'Willis Alston'