Were M1 and M6 produced by M0 's executive producer and producer and executive produced by M2 , M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.executive_produced_by M4 .
M1 ns:film.film.executive_produced_by M5 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M6 ns:film.film.executive_produced_by M2 .
M6 ns:film.film.executive_produced_by M3 .
M6 ns:film.film.executive_produced_by M4 .
M6 ns:film.film.executive_produced_by M5 .
M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}