question: What is every entry for Saturday August 27 when the entry for Thursday August 25 is 23' 56.90 94.528mph?
answer: SELECT sat_27_aug FROM table_30058355_7 WHERE thurs_25_aug = "23' 56.90 94.528mph"
context: CREATE TABLE table_30058355_7 (sat_27_aug VARCHAR, thurs_25_aug VARCHAR)