CREATE TABLE "round_21" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: When did an away team score 14.19 (103)?
SQL: SELECT "date" FROM "round_21" WHERE "away_team_score"='14.19 (103)';

Question: What home team plays at princes park?
SQL: SELECT "home_team" FROM "round_21" WHERE "venue"='princes park';

Question: When did an away team score 17.8 (110)?
SQL: SELECT "date" FROM "round_21" WHERE "away_team_score"='17.8 (110)';

Question: Where does the home team fitzroy play?
SQL: SELECT "venue" FROM "round_21" WHERE "home_team"='fitzroy';