Was a Mexican screenwriter influenced by M1 's French producer and influenced by M4 M2
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:people.person.nationality ns:m.0f8l9c .
M2 a ns:film.writer .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by M4 .
M2 ns:people.person.nationality ns:m.0b90_r
}