Who executive produced M1 , produced a film , and directed M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M2 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 a ns:film.film
}