How many times was the site wallace wade stadium • durham, nc?
CREATE TABLE "week_three" (
  "date" text,
  "time" text,
  "visiting_team" text,
  "home_team" text,
  "site" text,
  "broadcast" text,
  "result" text,
  "attendance" real
);
SELECT COUNT("attendance") FROM "week_three" WHERE "site"='Wallace Wade Stadium • Durham, NC';