CREATE TABLE "round_18" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What is the total Crowd number for the team that has an Away team score of 12.18 (90)?
SQL: SELECT SUM("crowd") FROM "round_18" WHERE "away_team_score"='12.18 (90)';

Question: What date is listed for the team that has an Away team score of 20.21 (141)?
SQL: SELECT "date" FROM "round_18" WHERE "away_team_score"='20.21 (141)';

Question: What is the name of the Venue for the team that has an Away team score of 14.11 (95)?
SQL: SELECT "venue" FROM "round_18" WHERE "away_team_score"='14.11 (95)';

Question: What is the Home team score for the Away team of North Melbourne?
SQL: SELECT "home_team_score" FROM "round_18" WHERE "away_team"='north melbourne';