Was M4 influenced by M5 , influenced by a French screenwriter , and influenced by M3 's Mexican editor
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 ns:film.editor.film M3 .
?x1 ns:people.person.nationality ns:m.0b90_r .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by ?x1 .
M4 ns:influence.influence_node.influenced_by M5
}