CREATE TABLE table_57439 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What did the team score while away in moorabbin oval?
SELECT "Away team score" FROM table_57439 WHERE "Venue" = 'moorabbin oval'
SELECT "Away team score" FROM "table_57439" WHERE "Venue" = 'moorabbin oval'