CREATE TABLE table_55441 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What did the away team score at MCG?
SELECT "Away team score" FROM table_55441 WHERE "Venue" = 'mcg'
SELECT "Away team score" FROM "table_55441" WHERE "Venue" = 'mcg'