CREATE TABLE "round_6" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What was the crowd size at Collingwood's match?
SQL: SELECT "crowd" FROM "round_6" WHERE "home_team"='collingwood';

Question: What was the crowd size at Arden Street Oval?
SQL: SELECT "crowd" FROM "round_6" WHERE "venue"='arden street oval';