Was M1 a spouse of a child of M0 's writer and editor
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 ns:film.editor.film M0 .
?x1 ns:film.writer.film M0 .
FILTER ( M1 != ?x0 ) .
M1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x0
}