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: Which home team scored a 15.16 (106)?
SQL: SELECT "home_team" FROM "round_21" WHERE "home_team_score"='15.16 (106)';

Question: Which away team scored at 15.17 (107) at an away game?
SQL: SELECT "away_team" FROM "round_21" WHERE "away_team_score"='15.17 (107)';