CREATE TABLE table_56627 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the score of the away team at the MCG?
SELECT "Away team score" FROM table_56627 WHERE "Venue" = 'mcg'
SELECT "Away team score" FROM "table_56627" WHERE "Venue" = 'mcg'