Were M1 and M2 written by , executive produced by , directed by , and edited by a person
SELECT count(*) WHERE {
?x0 a ns:people.person .
M1 ns:film.film.directed_by ?x0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.executive_produced_by ?x0 .
M1 ns:film.film.written_by ?x0 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.written_by ?x0
}