What is the {party leader} for {position held} of {Xi Jinping}
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Which party does Xi Jinping lead?
SELECT DISTINCT ?q WHERE { ?q rdf:type ontology:party_leader . resource:Xi_Jinping property:position_held ?q }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q15031> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1553195> } 
 select distinct ?obj where { wd:Q15031 wdt:P39 ?obj . ?obj wdt:P31 wd:Q1553195 } 