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: On what date was the venue VFL Park?
SQL: SELECT "date" FROM "round_21" WHERE "venue"='vfl park';

Question: What date did Footscray play at home?
SQL: SELECT "date" FROM "round_21" WHERE "home_team"='footscray';

Question: What did the home team score when they played the away team of Geelong?
SQL: SELECT "home_team_score" FROM "round_21" WHERE "away_team"='geelong';

Question: For the away team with a score of 14.7 (91) what was the home team?
SQL: SELECT "home_team" FROM "round_21" WHERE "away_team_score"='14.7 (91)';