CREATE TABLE table_204_658 (id DECIMAL, "week" DECIMAL, "date" TEXT, "kickoff" TEXT, "opponent" TEXT, "results\ final score" TEXT, "results\ team record" TEXT, "game site" TEXT, "attendance" DECIMAL)

what is the number of games played at olympic stadium this season ?
SELECT COUNT(*) FROM table_204_658 WHERE "game site" = 'olympic stadium'
SELECT COUNT(*) FROM "table_204_658" WHERE "game site" = 'olympic stadium'