CREATE TABLE table_51353 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How much did the away team Melbourne score?
SELECT "Away team score" FROM table_51353 WHERE "Away team" = 'melbourne'
SELECT "Away team score" FROM "table_51353" WHERE "Away team" = 'melbourne'