What is <hydraulic head> of <Grand Coulee Dam> ?
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Which is the hydraulic head of Grand Coulee Dam?
SELECT DISTINCT ?e WHERE { resource:Grand_Coulee_Dam property:hydraulic_head ?e }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q930391> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4441> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q930391 wdt:P4441 ?answer}
380