Were M2 , M5 , and M6 edited by a person , edited by a screenwriter , and executive produced by M3 and M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x1 a ns:people.person .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.executive_produced_by M4 .
M5 ns:film.film.edited_by ?x0 .
M5 ns:film.film.edited_by ?x1 .
M5 ns:film.film.executive_produced_by M3 .
M5 ns:film.film.executive_produced_by M4 .
M6 ns:film.film.edited_by ?x0 .
M6 ns:film.film.edited_by ?x1 .
M6 ns:film.film.executive_produced_by M3 .
M6 ns:film.film.executive_produced_by M4
}