CREATE TABLE table_77602 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the score of the away team while playing at the arden street oval?
SELECT "Away team score" FROM table_77602 WHERE "Venue" = 'arden street oval'
SELECT "Away team score" FROM "table_77602" WHERE "Venue" = 'arden street oval'