Return the titles and directors of films that were never in the market of China.
SELECT title ,  director FROM film WHERE film_id NOT IN (SELECT film_id FROM film_market_estimation AS T1 JOIN market AS T2 ON T1.market_id  =  T2.Market_ID WHERE country  =  'China')
Asla Çin pazarında olmayan filmlerin başlıklarını ve yönetmenlerini iade edin.