CREATE TABLE "round_7" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What was the score of the team North Melbourne played at Arden Street Oval?
SQL: SELECT "away_team_score" FROM "round_7" WHERE "home_team"='north melbourne';

Question: What date did the game at Arden Street Oval take place?
SQL: SELECT "date" FROM "round_7" WHERE "venue"='arden street oval';