How many years did Germany participate, when the team from Italy was Naples LL Naples and the team from England was London Area Youth London?
CREATE TABLE "regional_championship" (
  "year" real,
  "austria" text,
  "belgium" text,
  "england" text,
  "germany" text,
  "italy" text,
  "netherlands" text,
  "saudi_arabia" text,
  "spain" text,
  "united_arab_emirates" text
);
SELECT COUNT("germany") FROM "regional_championship" WHERE "italy"='Naples LL Naples' AND "england"='London Area Youth London';