user: Question: What is the title rank of the actor who played the character of Arthur Hastings during series 1-8, 13?
Columns: ['Actor', 'Character', 'Title/Rank', 'Series', 'Years']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['David Suchet', 'Hercule Poirot', 'Various', '1-13', '1989–2013']
SQL:

assistant: SELECT "Title/Rank" FROM "Table" WHERE "Series" = '1-8, 13' AND "Character" = 'Arthur Hastings';