CREATE TABLE table_54488 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who was Carlton's away team opponents?
SELECT "Away team" FROM table_54488 WHERE "Home team" = 'carlton'
SELECT "Away team" FROM "table_54488" WHERE "Home team" = 'carlton'