CREATE TABLE table_39025 ("Country" TEXT, "Date" TEXT, "Label" TEXT, "Format" TEXT, "Catalogue #" TEXT)

What is the date for Hydra Head Records with a CD format?
SELECT "Date" FROM table_39025 WHERE "Label" = 'hydra head records' AND "Format" = 'cd'
SELECT "Date" FROM "table_39025" WHERE "Format" = 'cd' AND "Label" = 'hydra head records'