CREATE TABLE table_52438 ("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 Carlton score?
SELECT "Away team score" FROM table_52438 WHERE "Away team" = 'carlton'
SELECT "Away team score" FROM "table_52438" WHERE "Away team" = 'carlton'