Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_75 (pages INTEGER, isbn VARCHAR)
### Question:
How many pages associated with isbn 91-7713-035-9?
### Answer:
SELECT SUM(pages) FROM table_name_75 WHERE isbn = "isbn 91-7713-035-9"