CREATE TABLE table_204_587 (id DECIMAL, "drop ( s ) " TEXT, "multiplayer map ( s ) " TEXT, "spec ops mission ( s ) " TEXT, "face off map ( s ) " TEXT, "xbox 360 release date" TEXT, "playstation 3 release date" TEXT)

what was the first playstation 3 release date ?
SELECT "playstation 3 release date" FROM table_204_587 ORDER BY "playstation 3 release date" LIMIT 1
SELECT "playstation 3 release date" FROM "table_204_587" ORDER BY "playstation 3 release date" NULLS FIRST LIMIT 1