Were M1 and M5 executive produced by M2 and M3 , produced by a film editor , and executive produced by M4
SELECT count(*) WHERE {
?x0 a ns:film.editor .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.executive_produced_by M4 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.executive_produced_by M2 .
M5 ns:film.film.executive_produced_by M3 .
M5 ns:film.film.executive_produced_by M4 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}