CREATE TABLE "game_log" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "attendance" real,
  "record" text,
  "points" real
);

Question: What is the average attendance of the game where the home team was the Blues?
SQL: SELECT AVG("attendance") FROM "game_log" WHERE "home"='blues';