CREATE TABLE table_name_56 (year VARCHAR, band VARCHAR, lifetime_achievement_award VARCHAR)

In what year did Aslan receive a Lifetime Achievement Award and Snow Patrol perform?
SELECT year FROM table_name_56 WHERE band = "snow patrol" AND lifetime_achievement_award = "aslan"
SELECT "year" FROM "table_name_56" WHERE "aslan" = "lifetime_achievement_award" AND "band" = "snow patrol"