Did {Down_syndrome} {said to be the same as} {Mongolian idiocy}?
Mongolian idiocy is the same as Down Syndrome correct?
Is Down syndrome same as Mongolian idiocy?
ASK WHERE { resource:Down_syndrome property:said_to_be_the_same_as resource:Mongolian_idiocy }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q47715> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P460> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q21469259>. } 
ASK WHERE { wd:Q47715 wdt:P460 wd:Q21469259 }