Were M1 , M4 , M5 , and M6 executive produced by M2 and M3 and written by a child of M0
SELECT count(*) WHERE {
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.written_by ?x0 .
M4 ns:film.film.executive_produced_by M2 .
M4 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.written_by ?x0 .
M5 ns:film.film.executive_produced_by M2 .
M5 ns:film.film.executive_produced_by M3 .
M5 ns:film.film.written_by ?x0 .
M6 ns:film.film.executive_produced_by M2 .
M6 ns:film.film.executive_produced_by M3 .
M6 ns:film.film.written_by ?x0
}