Name the Gross-to-date which has a Date of august 23–25?
CREATE TABLE "box_office_charts" (
  "date" text,
  "rank" real,
  "weekend_gross" text,
  "theaters" real,
  "gross_to_date" text
);
SELECT "gross_to_date" FROM "box_office_charts" WHERE "date"='august 23–25';