Was M2 's child 's employee a screenwriter that M1 was edited by
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.editor.film M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M2
}