Did M2 's editor found a child of M3 , found M0 , and found M1
SELECT count(*) WHERE {
?x0 ns:film.editor.film M2 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M3
}