What is the title rank of the actor who played the character of arthur hastings during series 1-8, 13?
CREATE TABLE "regular_cast" (
  "actor" text,
  "character" text,
  "title_rank" text,
  "series" text,
  "years" text
);
SELECT "title_rank" FROM "regular_cast" WHERE "series"='1-8, 13' AND "character"='arthur hastings';