CREATE TABLE "round_7" (
  "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 of the Away team, Fitzroy?
SQL: SELECT "crowd" FROM "round_7" WHERE "away_team"='fitzroy';

Question: Which Away team uses Princes Park as it's venue?
SQL: SELECT "away_team" FROM "round_7" WHERE "venue"='princes park';

Question: What was the lowest Crowd Size for the Home Team of North Melbourne?
SQL: SELECT MIN("crowd") FROM "round_7" WHERE "home_team"='north melbourne';