What is the date an away ream scored 6.16 (52)?
CREATE TABLE "round_17" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT "date" FROM "round_17" WHERE "away_team_score"='6.16 (52)';