CREATE TABLE "round_6" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What is the average crowd size when North Melbourne is the away team?
SQL: SELECT AVG("crowd") FROM "round_6" WHERE "away_team"='north melbourne';

Question: What is the smallest crowd to see the away team score 10.7 (67)?
SQL: SELECT MIN("crowd") FROM "round_6" WHERE "away_team_score"='10.7 (67)';

Question: What is the away team that scored 9.12 (66) at Windy Hill?
SQL: SELECT "away_team" FROM "round_6" WHERE "away_team_score"='9.12 (66)' AND "venue"='windy hill';

Question: Where did the away team score 8.9 (57)?
SQL: SELECT "venue" FROM "round_6" WHERE "away_team_score"='8.9 (57)';

Question: What is the average crowd to watch Hawthorn as the away team?
SQL: SELECT AVG("crowd") FROM "round_6" WHERE "away_team"='hawthorn';

Question: What away team played Footscray?
SQL: SELECT "away_team" FROM "round_6" WHERE "home_team"='footscray';