CREATE TABLE table_53068 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When was a game played where the away team is St Kilda?
SELECT "Date" FROM table_53068 WHERE "Away team" = 'st kilda'
SELECT "Date" FROM "table_53068" WHERE "Away team" = 'st kilda'