Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_23465864_4 ( sat_29_aug VARCHAR, fri_28_aug VARCHAR )

### Question ###
What time was achieved on Saturday 29th August by the rider who recorded 25' 01.89 90.438mph on Friday 28th August?

### Accurate SQL ###

SELECT sat_29_aug FROM table_23465864_4 WHERE fri_28_aug = "25' 01.89 90.438mph"