query: SELECT ?person ?personLabel ?artukLabel ?ULANLabel ?OBINLabel ?article 
  WHERE {
   
    ?person wdt:P1367 ?dummy1.
    
    OPTIONAL{?person wdt:P1367 ?artuk .} 
    OPTIONAL{?person wdt:P245 ?ULAN .} 
    OPTIONAL{?person wdt:P1415 ?OBIN .}
    OPTIONAL {?article 	schema:about ?person ;
  			schema:isPartOf <https://en.wikipedia.org/> .}
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  