Were M1 and M2 edited , directed , and executive produced by a film 's sequel 's editor , executive producer , and producer
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.prequel ?x2 .
?x2 a ns:film.film .
M1 ns:film.film.directed_by ?x0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.executive_produced_by ?x0
}