CREATE TABLE table_name_30 (region VARCHAR2, format VARCHAR2, date VARCHAR2)

Name the region for cd format on february 22, 1984
SELECT region FROM table_name_30 WHERE format = "cd" AND date = "february 22, 1984"
SELECT "region" FROM "table_name_30" WHERE "cd" = "format" AND "date" = "february 22, 1984"