CREATE TABLE table_58471 ("Region" TEXT, "Date" TEXT, "Label" TEXT, "Format" TEXT, "Catalog" TEXT)

Which Catalog has a Region of Canada and a Format of cd/dvd?
SELECT "Catalog" FROM table_58471 WHERE "Region" = 'canada' AND "Format" = 'cd/dvd'
SELECT "Catalog" FROM "table_58471" WHERE "Format" = 'cd/dvd' AND "Region" = 'canada'