Did a French Mexican screenwriter write a film , write M1 , and write M2
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.writer.film ?x1 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.nationality ns:m.0b90_r .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 a ns:film.film
}