CREATE TABLE "schedule" (
  "week" real,
  "date" text,
  "result" text,
  "record" text,
  "opponent" text,
  "points_for" real,
  "points_against" real,
  "first_downs" real,
  "attendance" real
);

Question: What is the maximum number of points against when the attendance was 47678?
SQL: SELECT MAX("points_against") FROM "schedule" WHERE "attendance"=47678;

Question: What was the total number of first down on October 23?
SQL: SELECT COUNT("first_downs") FROM "schedule" WHERE "date"='October 23';