Was M2 directed by a film director , written by M3 and M4 , and written by a company
SELECT count(*) WHERE {
?x0 a ns:business.employer .
?x1 a ns:film.director .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.written_by ?x0 .
M2 ns:film.film.written_by M3 .
M2 ns:film.film.written_by M4
}