What's the total built by the United Kingdom and holds 1,300 passengers?
CREATE TABLE "the_largest_ferries_of_europe" (
  "ship" text,
  "length" text,
  "passengers" real,
  "speed" text,
  "built" real,
  "company" text,
  "registry" text
);
SELECT COUNT("built") FROM "the_largest_ferries_of_europe" WHERE "registry"='united kingdom' AND "passengers"='1,300';