Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_91 ( date VARCHAR, catalog VARCHAR, country VARCHAR, format VARCHAR )

### Question ###
What is the Date when the Country shows uk, the Format is cd, and the Catalog of edcd 227?

### Accurate SQL ###

SELECT date FROM table_name_91 WHERE country = "uk" AND format = "cd" AND catalog = "edcd 227"