CREATE TABLE table_55216 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who is the home team that played at MCG?
SELECT "Home team score" FROM table_55216 WHERE "Venue" = 'mcg'
SELECT "Home team score" FROM "table_55216" WHERE "Venue" = 'mcg'