Did a French Mexican film editor write M1 and produce M4
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.producer.film|ns:film.production_company.films M4 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.nationality ns:m.0b90_r .
?x0 ns:people.person.nationality ns:m.0f8l9c
}