Did a film distributor employ M2 's British writer and employ M1
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x1 ns:film.writer.film M2 .
?x1 ns:people.person.nationality ns:m.07ssc
}