What is <LibriVox author ID> of <Henry Clay> ?
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Which is LibriVox author ID for Henry Clay?
SELECT DISTINCT ?t WHERE { resource:Henry_Clay property:LibriVox_author_ID ?t }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q319630> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1899> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q319630 wdt:P1899 ?answer}