CREATE TABLE table_51560 ("Country" TEXT, "Date" TEXT, "Label" TEXT, "Format" TEXT, "Catalogue #" TEXT)

What date had a 4ad label and a CD (reissue) format?
SELECT "Date" FROM table_51560 WHERE "Label" = '4ad' AND "Format" = 'cd (reissue)'
SELECT "Date" FROM "table_51560" WHERE "Format" = 'cd (reissue)' AND "Label" = '4ad'