Was a film 's prequel 's director , cinematographer , editor , producer , and writer M1
SELECT count(*) WHERE {
?x0 ns:film.film.sequel ?x1 .
?x1 a ns:film.film .
M1 ns:film.cinematographer.film ?x0 .
M1 ns:film.director.film ?x0 .
M1 ns:film.editor.film ?x0 .
M1 ns:film.producer.film|ns:film.production_company.films ?x0 .
M1 ns:film.writer.film ?x0
}