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_51 (region VARCHAR, format_s_ VARCHAR, label VARCHAR)
### Question:
What region is the toshiba emi label with a cd format?
### Answer:
SELECT region FROM table_name_51 WHERE format_s_ = "cd" AND label = "toshiba emi"