CREATE TABLE table_11704 ("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 at princes park?
SELECT "Away team score" FROM table_11704 WHERE "Venue" = 'princes park'
SELECT "Away team score" FROM "table_11704" WHERE "Venue" = 'princes park'