Was a film that was executive produced by M4 , M5 , and M6 and starred M2 and M3 M0 's prequel
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.executive_produced_by M4 .
?x0 ns:film.film.executive_produced_by M5 .
?x0 ns:film.film.executive_produced_by M6 .
?x0 ns:film.film.sequel M0 .
?x0 ns:film.film.starring/ns:film.performance.actor M2 .
?x0 ns:film.film.starring/ns:film.performance.actor M3
}