CREATE TABLE table_32446 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which home team competed against the away team of Melbourne?
SELECT "Home team" FROM table_32446 WHERE "Away team" = 'melbourne'
SELECT "Home team" FROM "table_32446" WHERE "Away team" = 'melbourne'