What is the {nation at the Olympics} for {country} of {Hong Kong}
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Which nation at the Olympics is from Hong Kong?
SELECT DISTINCT ?z WHERE { ?z rdf:type ontology:Olympic_delegation . ?z property:country resource:Hong_Kong }
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/Q8646> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q26213387> } 
 select distinct ?sbj where { ?sbj wdt:P17 wd:Q8646 . ?sbj wdt:P31 wd:Q26213387 } 