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_30 (region VARCHAR, format VARCHAR, date VARCHAR)
### Question:
Name the region for cd format on february 22, 1984
### Answer:
SELECT region FROM table_name_30 WHERE format = "cd" AND date = "february 22, 1984"