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 drop -lrb- s -rrb- included both the multiplayer map oasis and two spec ops missions ?
SELECT "drop(s)" FROM table_204_587 WHERE "multiplayer map(s)" = 'oasis' AND "spec ops mission(s)" = 2
SELECT "drop(s)" FROM "table_204_587" WHERE "multiplayer map(s)" = 'oasis' AND "spec ops mission(s)" = 2