CREATE TABLE table_35644 ("Date" TEXT, "Site" TEXT, "Sport" TEXT, "Winning team" TEXT, "Series" TEXT)

Which Series has a Site of ames and a Sport of w gymnastics?
SELECT "Series" FROM table_35644 WHERE "Site" = 'ames' AND "Sport" = 'w gymnastics'
SELECT "Series" FROM "table_35644" WHERE "Site" = 'ames' AND "Sport" = 'w gymnastics'