Was a screenwriter a French star of M2 , M3 , and M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:film.actor.film/ns:film.performance.film M3 .
?x0 ns:film.actor.film/ns:film.performance.film M4 .
?x0 ns:people.person.nationality ns:m.0f8l9c
}