CREATE TABLE "round_10" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What home team played against south Melbourne?
SQL: SELECT "home_team" FROM "round_10" WHERE "away_team"='south melbourne';

Question: What is the average crowd size for the home team essendon?
SQL: SELECT AVG("crowd") FROM "round_10" WHERE "home_team"='essendon';

Question: What is the home team score when north Melbourne was the away team?
SQL: SELECT "home_team_score" FROM "round_10" WHERE "away_team"='north melbourne';