What is the Date when the Country shows uk, the Format is cd, and the Catalog of edcd 227?
CREATE TABLE "release_history" (
  "date" text,
  "label" text,
  "format" text,
  "country" text,
  "catalog" text
);
SELECT "date" FROM "release_history" WHERE "country"='uk' AND "format"='cd' AND "catalog"='edcd 227';