When did the match take place that had an away team score of 12.12 (84)?
CREATE TABLE "round_10" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT "date" FROM "round_10" WHERE "away_team_score"='12.12 (84)';