CREATE TABLE "round_18" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What is the date of the game at the Arden Street Oval?
SQL: SELECT "date" FROM "round_18" WHERE "venue"='arden street oval';

Question: What is the date where the home team scores 8.7 (55)?
SQL: SELECT "date" FROM "round_18" WHERE "home_team_score"='8.7 (55)';