Did a American Mexican film producer direct , edit , and write M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.director.film M1 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x0 ns:people.person.nationality ns:m.0b90_r
}