What type of regular season/preseason game was played on August 25, 2007?
CREATE TABLE "game_summaries" (
  "date" text,
  "visiting_team" text,
  "home_team" text,
  "stadium" text,
  "regular_season_preseason" text
);
SELECT "regular_season_preseason" FROM "game_summaries" WHERE "date"='august 25, 2007';