What is <ACM Digital Library author ID> of <Grace Hopper> ?
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Which is the ACM Digital Library author ID for Grace Hopper?
SELECT DISTINCT ?b WHERE { resource:Grace_Hopper property:ACM_Digital_Library_author_ID ?b }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q11641> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P864> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q11641 wdt:P864 ?answer}