What is {population} of {Royal National Park} that is {determination method} is {2016 Australian census} ?
At the time of the 2016 Australian census, the population of the Royal National Park was?
What was the population of Royal National Park, at the time of the 2016 Australian census?
SELECT ?z WHERE { resource:Royal_National_Park property:population ?j . ?j property:population ?z . ?j property:determination_method resource:Australian census 2016 }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q113523> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1082> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P459> <http://wikidata.dbpedia.org/resource/Q33128542>
} 

SELECT ?obj WHERE { wd:Q113523 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P459 wd:Q33128542 }