CREATE TABLE table_204_691 (id DECIMAL, "date" TEXT, "round" TEXT, "opponent" TEXT, "venue" TEXT, "result" TEXT, "attendance" DECIMAL, "scorers" TEXT)

which game had the most in attendance ?
SELECT "date" FROM table_204_691 ORDER BY "attendance" DESC LIMIT 1
SELECT "date" FROM "table_204_691" ORDER BY "attendance" DESC NULLS LAST LIMIT 1