What is the label for the CD format in North America?
CREATE TABLE table_name_91 (label VARCHAR, format VARCHAR, region VARCHAR)
SELECT label FROM table_name_91 WHERE format = "cd" AND region = "north america"
### Context: CREATE TABLE table_name_91 (label VARCHAR, format VARCHAR, region VARCHAR) ### Question: What is the label for the CD format in North America? ### Answer: SELECT label FROM table_name_91 WHERE format = "cd" AND region = "north america"