Was a film distributor founded by a person and founded by a writer of M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x1 ns:film.writer.film M1 .
?x1 ns:film.writer.film M2 .
?x2 a ns:people.person
}