Were M2 , M3 , and M4 executive produced by a actor and executive produced by M1 's executive producer and editor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 ns:film.editor.film M1 .
?x1 ns:film.producer.films_executive_produced M1 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by ?x1 .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.executive_produced_by ?x1 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by ?x1
}