CREATE TABLE "round_15" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What is essendon's away team score?
SQL: SELECT "away_team_score" FROM "round_15" WHERE "away_team"='essendon';

Question: Which home team has an away team score of 11.15 (81)?
SQL: SELECT "home_team" FROM "round_15" WHERE "away_team_score"='11.15 (81)';

Question: What is the date with geelong as Away team?
SQL: SELECT "date" FROM "round_15" WHERE "away_team"='geelong';

Question: What is the highest crowd at arden street oval?
SQL: SELECT MAX("crowd") FROM "round_15" WHERE "venue"='arden street oval';

Question: What is geelong's aberage crowd as Away Team?
SQL: SELECT AVG("crowd") FROM "round_15" WHERE "away_team"='geelong';