Was M4 influenced by M5 and M6 and influenced by a male Mexican film editor that wrote M1
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.0b90_r .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by M5 .
M4 ns:influence.influence_node.influenced_by M6
}