What is every entry for Saturday August 27 when the entry for Thursday August 25 is 23' 56.90 94.528mph?
CREATE TABLE "2011_classic_superbike_practice_times_an" (
  "rank" real,
  "rider" text,
  "sat_20_aug" text,
  "mon_22_aug" text,
  "tues_23_aug" text,
  "wed_24_aug" text,
  "thurs_25_aug" text,
  "fri_26_aug" text,
  "sat_27_aug" text,
  "mon_29_aug" text,
  "wed_31_aug" text
);
SELECT "sat_27_aug" FROM "2011_classic_superbike_practice_times_an" WHERE "thurs_25_aug"='23'' 56.90 94.528mph';