CREATE TABLE table_204_55 (id DECIMAL, "date" TEXT, "time" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "tv" TEXT, "result" TEXT, "attendance" DECIMAL)

what is the total in attendance for september 17th ?
SELECT "attendance" FROM table_204_55 WHERE "date" = 'september 17, 2005'
SELECT "attendance" FROM "table_204_55" WHERE "date" = 'september 17, 2005'