CREATE TABLE table_57947 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the name of the away team had a score of 17.15 (117)
SELECT "Away team" FROM table_57947 WHERE "Away team score" = '17.15 (117)'
SELECT "Away team" FROM "table_57947" WHERE "Away team score" = '17.15 (117)'