What is the {reform} for {country} of {Yuan dynasty}
What was the change for the Yuan line in China?
What was the reform for the Yuan dynasty in China?
SELECT DISTINCT ?y WHERE { ?y property:country resource:Yuan_Empire . ?y rdf:type ontology:reform }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P17> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7313> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q900406> } 
 select distinct ?sbj where { ?sbj wdt:P17 wd:Q7313 . ?sbj wdt:P31 wd:Q900406 } 
Togto'a reform