query: #title: value of label is generally different
  # Complex constraint from [[Property talk:P1560]]
  # avoid using this property for given names used by both genders but mapped to different Wikidata items
  SELECT ?item ?value ?l
  {
    ?item wdt:P1560 ?value .
    ?item rdfs:label ?l . FILTER(lang(?l)="en") 
    ?value rdfs:label ?l .
    FILTER( str(?item) > str(?value) )
  }
  LIMIT 100