CREATE TABLE table_29181 ("Rank" FLOAT, "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)

How many times was the time 20' 05.19 112.703mph on Thurs Aug 26th?
SELECT COUNT("Sat 21 Aug") FROM table_29181 WHERE "Thurs 26 Aug" = '20'' 05.19 112.703mph'
SELECT COUNT("Sat 21 Aug") FROM "table_29181" WHERE "Thurs 26 Aug" = '20\' 05.19 112.703mph'