CREATE TABLE "round_5" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What is the crowd size for Victoria park?
SQL: SELECT "crowd" FROM "round_5" WHERE "venue"='victoria park';

Question: What is the average crowd size for princes park?
SQL: SELECT AVG("crowd") FROM "round_5" WHERE "venue"='princes park';

Question: What is the home team score when the away team score is 17.18 (120)?
SQL: SELECT "home_team_score" FROM "round_5" WHERE "away_team_score"='17.18 (120)';

Question: When the home team scored 12.21 (93), what was the average crowd size?
SQL: SELECT AVG("crowd") FROM "round_5" WHERE "home_team_score"='12.21 (93)';