CREATE TABLE table_51161 ("Actor" TEXT, "Character" TEXT, "Title/Rank" TEXT, "Series" TEXT, "Years" TEXT)

What is the title rank of the actor who played the character of arthur hastings during series 1-8, 13?
SELECT "Title/Rank" FROM table_51161 WHERE "Series" = '1-8, 13' AND "Character" = 'arthur hastings'
SELECT "Title/Rank" FROM "table_51161" WHERE "Character" = 'arthur hastings' AND "Series" = '1-8, 13'