CREATE TABLE table_204_917 (id DECIMAL, "date" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "result" TEXT, "attendance" DECIMAL)

what was the last game to be attended by fewer than 30,000 people ?
SELECT "date" FROM table_204_917 WHERE "attendance" < 30000
SELECT "date" FROM "table_204_917" WHERE "attendance" < 30000