Was a prequel of M0 written by M3 , M4 , M5 , and M6 and executive produced by M1 and M2
SELECT count(*) WHERE {
?x0 ns:film.film.executive_produced_by M1 .
?x0 ns:film.film.executive_produced_by M2 .
?x0 ns:film.film.sequel M0 .
?x0 ns:film.film.written_by M3 .
?x0 ns:film.film.written_by M4 .
?x0 ns:film.film.written_by M5 .
?x0 ns:film.film.written_by M6
}