CREATE TABLE table_57091 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What was the home team score at Melbourne's away match?
SELECT "Home team score" FROM table_57091 WHERE "Away team" = 'melbourne'
SELECT "Home team score" FROM "table_57091" WHERE "Away team" = 'melbourne'