CREATE TABLE "round_13" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: When north melbourne was the home team who was the Away team?
SQL: SELECT "away_team" FROM "round_13" WHERE "home_team"='north melbourne';

Question: Which home team scored 19.18 (132)?
SQL: SELECT "home_team" FROM "round_13" WHERE "home_team_score"='19.18 (132)';

Question: When collingwood played as the home team who was the away team?
SQL: SELECT "away_team" FROM "round_13" WHERE "home_team"='collingwood';

Question: When the Away team was south melbourne what was the home team?
SQL: SELECT "home_team" FROM "round_13" WHERE "away_team"='south melbourne';