Were M1 and M5 executive produced by M2 , M3 , and M4 and produced by a child of a production company
SELECT count(*) WHERE {
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
?x1 a ns:film.production_company .
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.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.executive_produced_by M2 .
M5 ns:film.film.executive_produced_by M3 .
M5 ns:film.film.executive_produced_by M4 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}