CREATE TABLE table_56816 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When the Home team was Carlton, what was the Away team score?
SELECT "Away team score" FROM table_56816 WHERE "Home team" = 'carlton'
SELECT "Away team score" FROM "table_56816" WHERE "Home team" = 'carlton'