Were M1 and M2 produced by and written by M0 's sequel 's editor , writer , and cinematographer
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.writer.film ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M1 ns:film.film.written_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M2 ns:film.film.written_by ?x0
}