Who did a film producer that wrote and directed M2 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x1 a ns:film.producer .
?x1 ns:film.director.film M2 .
?x1 ns:film.writer.film M2
}