Were M3 and M5 founded by M4 , founded by M2 's editor , and founded by M1 's American child
SELECT count(*) WHERE {
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
?x1 ns:film.editor.film M2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1 .
M3 ns:organization.organization.founders M4 .
M5 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders ?x1 .
M5 ns:organization.organization.founders M4
}