CREATE TABLE "game_log" (
  "date" text,
  "opponent" text,
  "score" text,
  "loss" text,
  "attendance" real,
  "record" text
);

Question: Name the attendance for atlanta braves opponent for september 9
SQL: SELECT AVG("attendance") FROM "game_log" WHERE "opponent"='atlanta braves' AND "date"='september 9';