Who many games were played for the series with the Sawhorse Dollar trophy?
CREATE TABLE "football_rivalries" (
  "teams" text,
  "name" text,
  "trophy" text,
  "first_met" real,
  "games_played" text,
  "series_record" text
);
SELECT "games_played" FROM "football_rivalries" WHERE "trophy"='sawhorse dollar';