Was M2 edited by M3 , M4 , M5 , and M6 and edited by a Spanish screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:people.person.nationality ns:m.06mkj .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by M3 .
M2 ns:film.film.edited_by M4 .
M2 ns:film.film.edited_by M5 .
M2 ns:film.film.edited_by M6
}