What is {date of birth} and {date of death} of {{Abigail Adams} has {child} as {Charles Adams}}
When used to be Abigail Adams' toddler Charles Adams born, and when did he die?
When was Abigail Adams' child Charles Adams born, and when did he die?
SELECT ?b ?r WHERE { ?g property:date_of_death ?r . resource:Abigail_Adams property:child ?g . ?g property:child resource:Charles_Adams . ?g property:date_of_birth ?b }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q206191> . ?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/Q5074968>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q206191 p:P40 ?s . ?s ps:P40 wd:Q5074968 . ?s pq:P569 ?value1 . ?s pq:P570 ?value2 }