What was the name of the away team had a score of 17.15 (117)
CREATE TABLE "round_3" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT "away_team" FROM "round_3" WHERE "away_team_score"='17.15 (117)';