Was M2 edited by M1 's German child and written by M3
SELECT count(*) WHERE {
?x0 ns:people.person.nationality ns:m.0345h .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.written_by M3
}