What is the {palace} for {place of birth} of {Nicholas I of Russia}
Where was Nicholas I of Russia born?
Where was Nicholas I of Russia born?
SELECT DISTINCT ?e WHERE { ?e rdf:type ontology:palace . resource:Nicholas_I_of_Russia property:place_of_birth ?e }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q130734> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P19> . ?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/Q16560> } 
 select distinct ?obj where { wd:Q130734 wdt:P19 ?obj . ?obj wdt:P31 wd:Q16560 } 
Gatchina Palace