In how many movie does Dariusz Wolski work as the director of photography?
director of photography refers to job = 'Director of Photography'
SELECT COUNT(T2.movie_id) FROM person AS T1 INNER JOIN movie_crew AS T2 ON T1.person_id = T2.person_id WHERE T1.person_name = 'Dariusz Wolski' AND T2.job = 'Director of Photography'