CREATE TABLE table_74778 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the away team when the home team scored 10.8 (68)?
SELECT "Away team" FROM table_74778 WHERE "Home team score" = '10.8 (68)'
SELECT "Away team" FROM "table_74778" WHERE "Home team score" = '10.8 (68)'