If the time on Wed aug 25 was 20' 09.25 112.324mph, what was the time on sat Aug 28?
CREATE TABLE "2010_senior_manx_grand_prix_practice_tim" (
  "rank" real,
  "rider" text,
  "sat_21_aug" text,
  "mon_23_aug" text,
  "tues_24_aug" text,
  "wed_25_aug" text,
  "thurs_26_aug" text,
  "fri_27_aug" text,
  "sat_28_aug" text
);
SELECT "sat_28_aug" FROM "2010_senior_manx_grand_prix_practice_tim" WHERE "wed_25_aug"='20'' 09.25 112.324mph';