What is <National Portrait Gallery (London) person ID> of <Monica Vitti> ?
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What is Monica Vitti's National Portrait Gallery ID in London?
SELECT DISTINCT ?k WHERE { resource:Monica_Vitti property:National_Portrait_Gallery_(London)_person_ID ?k }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q106881> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1816> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q106881 wdt:P1816 ?answer}