Were M3 and M4 edited by a film editor and executive produced by a Spanish person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.nationality ns:m.06mkj .
?x1 a ns:film.editor .
M3 ns:film.film.edited_by ?x1 .
M3 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.executive_produced_by ?x0
}