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: What is North Melbourne's Away team score?
SQL: SELECT "away_team_score" FROM "round_3" WHERE "away_team"='north melbourne';

Question: How large was the crowd at the Kardinia Park venue games?
SQL: SELECT SUM("crowd") FROM "round_3" WHERE "venue"='kardinia park';

Question: What was the score of the Home team that played against Carlton's Away game?
SQL: SELECT "home_team_score" FROM "round_3" WHERE "away_team"='carlton';