CREATE TABLE table_55575 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the score of the away team in the match at Princes Park?
SELECT "Away team score" FROM table_55575 WHERE "Venue" = 'princes park'
SELECT "Away team score" FROM "table_55575" WHERE "Venue" = 'princes park'