CREATE TABLE "round_3" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: Where did fitzroy play as the home team?
SQL: SELECT "venue" FROM "round_3" WHERE "home_team"='fitzroy';

Question: Who was North Melbourne's home opponent?
SQL: SELECT "home_team" FROM "round_3" WHERE "away_team"='north melbourne';

Question: Where did Essendon play as the home team?
SQL: SELECT "venue" FROM "round_3" WHERE "home_team"='essendon';