Which French film director influenced M1 and M2 and influenced M3 and M4
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.director .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced M3 .
?x0 ns:influence.influence_node.influenced M4 .
?x0 ns:people.person.nationality ns:m.0f8l9c
}