How many times was tues 24 aug 19' 19.83 117.110mph?
CREATE TABLE "2010_junior_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_29_aug" text
);
SELECT COUNT("rank") FROM "2010_junior_manx_grand_prix_practice_tim" WHERE "tues_24_aug"='19'' 19.83 117.110mph';