CREATE TABLE table_10128 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many people were in the crowd for a game than had carlton as the visiting team?
SELECT "Crowd" FROM table_10128 WHERE "Away team" = 'carlton'
SELECT "Crowd" FROM "table_10128" WHERE "Away team" = 'carlton'