CREATE TABLE table_56650 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What did the away team score when Carlton was the home team?
SELECT "Away team score" FROM table_56650 WHERE "Home team" = 'carlton'
SELECT "Away team score" FROM "table_56650" WHERE "Home team" = 'carlton'