What is <SIPA ID> of <Elmina Castle> ?
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Which is the SIPA ID of Elmina Castle?
SELECT DISTINCT ?u WHERE { resource:Elmina_Castle property:SIPA_ID ?u }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1438772> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1700> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q1438772 wdt:P1700 ?answer}