CREATE TABLE table_52263 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Date" TEXT)

What is the home team score when played at mcg?
SELECT "Home team score" FROM table_52263 WHERE "Venue" = 'mcg'
SELECT "Home team score" FROM "table_52263" WHERE "Venue" = 'mcg'