Were M1 , M4 , M5 , and M6 written by M2 and M3 and produced by a film editor 's parent
SELECT count(*) WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x1 a ns:film.editor .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M1 ns:film.film.written_by M2 .
M1 ns:film.film.written_by M3 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.written_by M2 .
M4 ns:film.film.written_by M3 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.written_by M2 .
M5 ns:film.film.written_by M3 .
M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M6 ns:film.film.written_by M2 .
M6 ns:film.film.written_by M3
}