CREATE TABLE table_31468 ("Rank" FLOAT, "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)

What shows for thurs 25 aug when fri 26 aug is 19' 30.70 116.023mph?
SELECT "Thurs 25 Aug" FROM table_31468 WHERE "Fri 26 Aug" = '19'' 30.70 116.023mph'
SELECT "Thurs 25 Aug" FROM "table_31468" WHERE "Fri 26 Aug" = '19\' 30.70 116.023mph'