CREATE TABLE table_56743 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the away teams score when they played at kardinia park?
SELECT "Away team score" FROM table_56743 WHERE "Venue" = 'kardinia park'
SELECT "Away team score" FROM "table_56743" WHERE "Venue" = 'kardinia park'