Were M2 and M3 founded by M1 's producer 's parent and founded by a film producer
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x2 .
?x2 ns:film.producer.film|ns:film.production_company.films M1 .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x1 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1
}