CREATE TABLE table_11889 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

Which date has a game where the away team had a score of 10.8 (68)?
SELECT "Date" FROM table_11889 WHERE "Away team score" = '10.8 (68)'
SELECT "Date" FROM "table_11889" WHERE "Away team score" = '10.8 (68)'