What is <DBA ID> of <John Calvin> ?
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What is John Calvin's DBA ID?
SELECT DISTINCT ?a WHERE { resource:John_Calvin property:DBA_ID ?a }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q37577> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4992> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q37577 wdt:P4992 ?answer}