CREATE TABLE table_58075 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the Away team score for mcg?
SELECT "Away team score" FROM table_58075 WHERE "Venue" = 'mcg'
SELECT "Away team score" FROM "table_58075" WHERE "Venue" = 'mcg'