What is <MLS player ID> of <David Beckham> ?
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What is David Beckham's MLS player ID?
SELECT DISTINCT ?t WHERE { resource:David_Beckham property:MLS_player_ID ?t }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q10520> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2398> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q10520 wdt:P2398 ?answer}