CREATE TABLE table_6715 ("Season" TEXT, "Competition" TEXT, "Round" TEXT, "Opponent" TEXT, "Home" TEXT, "Away" TEXT, "Agg." TEXT)

Which Away has a Home of 2 2?
SELECT "Away" FROM table_6715 WHERE "Home" = '2–2'
SELECT "Away" FROM "table_6715" WHERE "Home" = '2–2'