CREATE TABLE table_11946 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which Away team uses Princes Park as it's venue?
SELECT "Away team" FROM table_11946 WHERE "Venue" = 'princes park'
SELECT "Away team" FROM "table_11946" WHERE "Venue" = 'princes park'