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_36 (catalog__number VARCHAR, region VARCHAR)
### Question:
What is the catalog number of the album whose region is the United Kingdom?
### Answer:
SELECT catalog__number FROM table_name_36 WHERE region = "united kingdom"