Were M2 , M3 , and M4 executive produced by a Swedish film editor
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M2 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by ?x0
}