List down the movies produced by Lucasfilm.
movies refers to title; produced by Lucasfil refers to company_name = 'Lucasfilm'
SELECT T3.title FROM production_company AS T1 INNER JOIN movie_company AS T2 ON T1.company_id = T2.company_id INNER JOIN movie AS T3 ON T2.movie_id = T3.movie_id WHERE T1.company_name = 'Lucasfilm'