Did a film producer 's child edit M0 's sequel
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
?x1 ns:film.film.prequel M0 .
?x2 a ns:film.producer
}