CREATE TABLE "1968_cincinnati_bengals_pre_season_sched" (
  "week" real,
  "date" text,
  "opponent" text,
  "result" text,
  "venue" text,
  "attendance" real,
  "record" text
);

Question: How many people attended the game on week 3?
SQL: SELECT AVG("attendance") FROM "1968_cincinnati_bengals_pre_season_sched" WHERE "week"=3;