CREATE TABLE table_12055 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which away team scored 17.7 (109)?
SELECT "Away team" FROM table_12055 WHERE "Away team score" = '17.7 (109)'
SELECT "Away team" FROM "table_12055" WHERE "Away team score" = '17.7 (109)'