What series number had the local title of Fort Boyard?
CREATE TABLE "table1_1949994_8" (
  "no" real,
  "country" text,
  "local_title" text,
  "format" text,
  "start_date" text,
  "end_date" text,
  "episodes" real,
  "premiere_air_dates" text
);
SELECT MAX("no") FROM "table1_1949994_8" WHERE "local_title"='Fort Boyard';