CREATE TABLE table_11409 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the away team score at princes park with a Crowd larger than 27,455?
SELECT "Away team score" FROM table_11409 WHERE "Crowd" > '27,455' AND "Venue" = 'princes park'
SELECT "Away team score" FROM "table_11409" WHERE "Crowd" > '27,455' AND "Venue" = 'princes park'