CREATE TABLE table_54554 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How much did the away team Carlton score when the crowd was larger than 19,000?
SELECT "Away team score" FROM table_54554 WHERE "Crowd" > '19,000' AND "Away team" = 'carlton'
SELECT "Away team score" FROM "table_54554" WHERE "Away team" = 'carlton' AND "Crowd" > '19,000'