Did a cinematographer produce M1 , produce M2 and M3 , and produce a film 's prequel and sequel
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
?x0 ns:film.producer.film|ns:film.production_company.films M3 .
?x1 ns:film.film.prequel ?x2 .
?x1 ns:film.film.sequel ?x2 .
?x2 a ns:film.film
}