CREATE TABLE table_54436 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who was Richmond's home team opponent?
SELECT "Home team" FROM table_54436 WHERE "Away team" = 'richmond'
SELECT "Home team" FROM "table_54436" WHERE "Away team" = 'richmond'