What is <location of discovery> of <Mesopotamia> ?
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Which   location of discovery of Mesopotamia ?
SELECT DISTINCT ?x WHERE { ?x property:location_of_discovery resource:Mesopotamia }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P189> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q11767>. }
select distinct ?answer where { ?answer wdt:P189 wd:Q11767}
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