Name the total number of dar for disney channel and number is 613
CREATE TABLE "children" (
  "n" real,
  "television_service" text,
  "country" text,
  "language" text,
  "content" text,
  "dar" text,
  "hdtv" text,
  "ppv" text,
  "package_option" text
);
SELECT COUNT("dar") FROM "children" WHERE "television_service"='Disney Channel' AND "n"=613;