Who influenced a film director that M4 was executive produced by and starred and was influenced by M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x1 a ns:film.director .
?x1 ns:film.actor.film/ns:film.performance.film M4 .
?x1 ns:film.producer.films_executive_produced M4
}