CREATE TABLE table_26087 ("Rank" FLOAT, "Rider" TEXT, "Mon 24 Aug" TEXT, "Tues 25 Aug" TEXT, "Wed 26 Aug" TEXT, "Thurs 27 Aug" TEXT, "Fri 28 Aug" TEXT, "Sat 29 Aug" TEXT)

What time was achieved on Saturday 29th August by the rider who recorded 25' 01.89 90.438mph on Friday 28th August?
SELECT "Sat 29 Aug" FROM table_26087 WHERE "Fri 28 Aug" = '25'' 01.89 90.438mph'
SELECT "Sat 29 Aug" FROM "table_26087" WHERE "Fri 28 Aug" = '25\' 01.89 90.438mph'