CREATE TABLE table_48720 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Ground" TEXT, "Date" TEXT, "Crowd" FLOAT)

What is Away Team, when Ground is Colonial Stadium?
SELECT "Away team" FROM table_48720 WHERE "Ground" = 'colonial stadium'
SELECT "Away team" FROM "table_48720" WHERE "Ground" = 'colonial stadium'