What is <has quality> of <old age> ?
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What is the quality of old age?
SELECT DISTINCT ?z WHERE { ?z property:has_quality resource:old_age }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1552> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q191089>. }
select distinct ?answer where { ?answer wdt:P1552 wd:Q191089}
old woman The Old Man of Wandering Mountain old man