What is <number of elevators> of <World Trade Center> ?
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Which is the number of elevators in the World Trade Center?
SELECT DISTINCT ?w WHERE { resource:World_Trade_Center property:number_of_elevators ?w }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q11235> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1301> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q11235 wdt:P1301 ?answer}