Were M1 and M5 edited by M2 , executive produced by a person , and edited by M3 and M4
SELECT count(*) WHERE {
?x0 a ns:people.person .
M1 ns:film.film.edited_by M2 .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.edited_by M4 .
M1 ns:film.film.executive_produced_by ?x0 .
M5 ns:film.film.edited_by M2 .
M5 ns:film.film.edited_by M3 .
M5 ns:film.film.edited_by M4 .
M5 ns:film.film.executive_produced_by ?x0
}