SELECT (SELECT "xbox 360 release date" FROM table_204_587 WHERE "drop(s)" = '4-6') > (SELECT "playstation 3 release date" FROM table_204_587 WHERE "drop(s)" = '4-6')
were drops 4-6 released on xbox 360 after they were released on playstation 3 ?
CREATE TABLE table_204_587 (
    id number,
    "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
)