CREATE TABLE "round_13" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: When did the home team score 12.18 (90)?
SQL: SELECT "date" FROM "round_13" WHERE "home_team_score"='12.18 (90)';

Question: What did the away team score in the game against Richmond?
SQL: SELECT "away_team_score" FROM "round_13" WHERE "home_team"='richmond';