CREATE TABLE table_39880 ("Region" TEXT, "Date" TEXT, "Label" TEXT, "Format" TEXT, "Catalog" TEXT)

In what format was the release from the Nebt068 catalog on April 11, 2005 in?
SELECT "Format" FROM table_39880 WHERE "Date" = 'april 11, 2005' AND "Catalog" = 'nebt068'
SELECT "Format" FROM "table_39880" WHERE "Catalog" = 'nebt068' AND "Date" = 'april 11, 2005'