CREATE TABLE table_204_9 (id DECIMAL, "week" DECIMAL, "date" TEXT, "opponent" TEXT, "result" TEXT, "attendance" DECIMAL)

date on which the fewest attendees were at a dolphins game -lrb- home or away -rrb-
SELECT "date" FROM table_204_9 ORDER BY "attendance" LIMIT 1
SELECT "date" FROM "table_204_9" ORDER BY "attendance" NULLS FIRST LIMIT 1