which noble rank has the duke of saxe-altenburg conferring this rank?
Entity
m.0fy_j
Duke
class entity
royalty.noble_rank m.05lg3t9
royalty.noble_rank royalty.noble_title
Noble rank Duke of Saxe-Altenburg
none none
royalty.noble_rank.titles_conferring_this_rank
Titles conferring this rank
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :royalty.noble_rank . 
VALUES ?x1 { :m.05lg3t9 } 
?x0 :royalty.noble_rank.titles_conferring_this_rank ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND royalty.noble_rank (JOIN royalty.noble_rank.titles_conferring_this_rank m.05lg3t9))