What is the ground of the game where the home team was Adelaide?
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
);
SELECT "ground" FROM "round_of_16" WHERE "home_team"='adelaide';