What's the region for an item on November 10, 2007 that's a cd?
CREATE TABLE table_name_91 (
    region VARCHAR,
    date VARCHAR,
    format VARCHAR
)
SELECT region FROM table_name_91 WHERE date = "november 10, 2007" AND format = "cd"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What's the region for an item on November 10, 2007 that's a cd? ### Input: CREATE TABLE table_name_91 (
    region VARCHAR,
    date VARCHAR,
    format VARCHAR
) ### Response: SELECT region FROM table_name_91 WHERE date = "november 10, 2007" AND format = "cd"