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_name_88 ( week_of VARCHAR, winner VARCHAR )

### Question ###
What is the Week when the winner was mary joe fern ndez 6 4, 7 5?

### Accurate SQL ###

SELECT week_of FROM table_name_88 WHERE winner = "mary joe fernández 6–4, 7–5"