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_39 (page_count VARCHAR, author VARCHAR)
### Question:
How many pages were in the book by Stefano D'Arrigo?
### Answer:
SELECT page_count FROM table_name_39 WHERE author = "stefano d'arrigo"