What is {mother} and {date of birth} of {{Joseph Stalin} has {child} as {Yakov Dzhugashvili}}
When was Joseph Stalin and Yakov Dzhugashvili born and who were their mothers?
Who is the mother of Joseph Stalin and Yakov Dzhugashvili and when were they born?
SELECT ?d ?u WHERE { ?l property:child resource:Yakov_Dzhugashvili . ?l property:mother ?d . ?l property:date_of_birth ?u . resource:Joseph_Stalin property:child ?l }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q855> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P40> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q163816>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q855 p:P40 ?s . ?s ps:P40 wd:Q163816 . ?s pq:P25 ?value1 . ?s pq:P569 ?value2 }