user: ### NOW ANSWER:
Question: How many pages associated with ISBN 91-7713-035-9?
Columns: ['Swedish title', 'Norwegian title', 'Translated title', 'Published', 'Pages', 'ISBN']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['Alarm', 'Alarm', 'Alarm', 2004.0, 220.0, 'ISBN 91-7713-030-8']
SQL:

assistant: SELECT SUM("Pages") FROM "Table" WHERE "ISBN" = 'ISBN 91-7713-035-9';