Did M1 's parent executive produce a prequel of M2 and edit M0
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M1 .
?x1 ns:film.film.sequel M2
}