Was M2 influenced by M1 's director and editor , influenced by a screenwriter , and influenced by M3 and M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x1 ns:film.director.film M1 .
?x1 ns:film.editor.film M1 .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x1 .
M2 ns:influence.influence_node.influenced_by M3 .
M2 ns:influence.influence_node.influenced_by M4
}