CREATE TABLE table_4756 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was St Kilda's away team score?
SELECT "Away team score" FROM table_4756 WHERE "Away team" = 'st kilda'
SELECT "Away team score" FROM "table_4756" WHERE "Away team" = 'st kilda'