CREATE TABLE "round_of_16" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "ground" text,
  "crowd" real,
  "date" text,
  "time" text
);

Question: When was the match with an away team score of 13.15 (93)?
SQL: SELECT "date" FROM "round_of_16" WHERE "away_team_score"='13.15 (93)';

Question: Who was the away team at the Football Park match?
SQL: SELECT "away_team" FROM "round_of_16" WHERE "ground"='football park';