CREATE TABLE table_51260 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When melbourne played as the home team, who did they play?
SELECT "Away team" FROM table_51260 WHERE "Home team" = 'melbourne'
SELECT "Away team" FROM "table_51260" WHERE "Home team" = 'melbourne'