CREATE TABLE "round_17" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What did the home team score when playing Fitzroy as the away team?
SQL: SELECT "home_team_score" FROM "round_17" WHERE "away_team"='fitzroy';

Question: What did the home team score when playing at Western Oval?
SQL: SELECT "home_team_score" FROM "round_17" WHERE "venue"='western oval';

Question: What away team played Collingwood?
SQL: SELECT "away_team" FROM "round_17" WHERE "home_team"='collingwood';

Question: On what date did Collingwood play at home?
SQL: SELECT "date" FROM "round_17" WHERE "home_team"='collingwood';