CREATE TABLE table_52165 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who was Richmond's away team opponent?
SELECT "Away team" FROM table_52165 WHERE "Home team" = 'richmond'
SELECT "Away team" FROM "table_52165" WHERE "Home team" = 'richmond'