CREATE TABLE "round_4" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: Who was the away team at Victoria Park?
SQL: SELECT "away_team" FROM "round_4" WHERE "venue"='victoria park';

Question: What was the crowd size when Geelong played at home?
SQL: SELECT AVG("crowd") FROM "round_4" WHERE "home_team"='geelong';

Question: What was the home score for the Home team Melbourne?
SQL: SELECT "home_team_score" FROM "round_4" WHERE "home_team"='melbourne';