CREATE TABLE "round_4" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: Which away team has a home score of 14.21 (105)?
SQL: SELECT "away_team" FROM "round_4" WHERE "home_team_score"='14.21 (105)';

Question: Which home team has a score of 11.12 (78)?
SQL: SELECT "home_team" FROM "round_4" WHERE "home_team_score"='11.12 (78)';

Question: How many spectators were at the game when the away team scored 15.8 (98)?
SQL: SELECT "crowd" FROM "round_4" WHERE "away_team_score"='15.8 (98)';

Question: Which away team played the home team when they scored 14.21 (105)?
SQL: SELECT "away_team" FROM "round_4" WHERE "home_team_score"='14.21 (105)';