Did M1 produce M0 's prequel , edit M2 , and executive produce M3
SELECT count(*) WHERE {
?x0 ns:film.film.sequel M0 .
M1 ns:film.editor.film M2 .
M1 ns:film.producer.films_executive_produced M3 .
M1 ns:film.producer.film|ns:film.production_company.films ?x0
}