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

which dates had below 80,000 in attendance ?
SELECT "date" FROM table_204_55 WHERE "attendance" < 80000
SELECT "date" FROM "table_204_55" WHERE "attendance" < 80000