CREATE TABLE "round_19" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What was the home team score when the VFL played at Western Oval?
SQL: SELECT "home_team_score" FROM "round_19" WHERE "venue"='western oval';

Question: Who was North Melbourne's home opponent?
SQL: SELECT "home_team" FROM "round_19" WHERE "away_team"='north melbourne';

Question: What was the home team score when the VFL played at Princes Park?
SQL: SELECT "home_team_score" FROM "round_19" WHERE "venue"='princes park';