What is the Week when the winner was mary joe fern ndez 6 4, 7 5?
CREATE TABLE table_40289 (
    "Week of" text,
    "Tier" text,
    "Winner" text,
    "Runner-up" text,
    "Semi finalists" text
)
SELECT "Week of" FROM table_40289 WHERE "Winner" = 'mary joe fernández 6–4, 7–5'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the Week when the winner was mary joe fern ndez 6 4, 7 5? ### Input: CREATE TABLE table_40289 (
    "Week of" text,
    "Tier" text,
    "Winner" text,
    "Runner-up" text,
    "Semi finalists" text
) ### Response: SELECT "Week of" FROM table_40289 WHERE "Winner" = 'mary joe fernández 6–4, 7–5'