What is <Fed Cup player ID> of <Maria Sharapova> ?
[]
wich means {Fed Cup player ID}at  {Maria Sharapova} ?
SELECT DISTINCT ?m WHERE { resource:Maria_Sharapova property:Fed_Cup_player_ID ?m }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q11666> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2642> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q11666 wdt:P2642 ?answer}