CREATE TABLE table_name_91 (date VARCHAR2, catalog VARCHAR2, country VARCHAR2, format VARCHAR2)

What is the Date when the Country shows uk, the Format is cd, and the Catalog of edcd 227?
SELECT date FROM table_name_91 WHERE country = "uk" AND format = "cd" AND catalog = "edcd 227"
SELECT "date" FROM "table_name_91" WHERE "catalog" = "edcd 227" AND "cd" = "format" AND "country" = "uk"