What is the {mausoleum} for {place of burial} of {Sun Yat-sen}
Where is the grave of Sun Yat-sen?
 select distinct ?obj where { wd:Q8573 wdt:P119 ?obj . ?obj wdt:P31 wd:Q162875 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q8573> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P119> . ?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/Q162875> } 
Sun Yat-sen's grave is located where?