What is <WTA player ID> of <Steffi Graf> ?
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What is the WTA id for Steffi Graf?
SELECT DISTINCT ?n WHERE { resource:Steffi_Graf property:WTA_player_ID ?n }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q11662> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P597> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q11662 wdt:P597 ?answer}