What was the crowd size when the away team scored 10.9 (69)?
CREATE TABLE "round_13" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT COUNT("crowd") FROM "round_13" WHERE "away_team_score"='10.9 (69)';