Which screenwriter did M1 influence , M4 's Canadian editor influence , and M2 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x1 ns:film.editor.film M4 .
?x1 ns:people.person.nationality ns:m.0d060g
}