CREATE TABLE table_11561 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who was the home team at MCG?
SELECT "Home team" FROM table_11561 WHERE "Venue" = 'mcg'
SELECT "Home team" FROM "table_11561" WHERE "Venue" = 'mcg'