What is {date of death} and {date of birth} of {{Abigail Adams} has {child} as {Abigail Adams Smith}}
when was the date of demise and date of start of abigail adams who has a infant named abigail adams smith?
when was the  date of death and date of birth  of abigail adams  who has a child named  abigail adams smith?
SELECT ?h ?v WHERE { ?y property:date_of_birth ?v . ?y property:date_of_death ?h . ?y property:child resource:Abigail_Adams_Smith . resource:Abigail_Adams property:child ?y }
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/Q4667661>. ?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:Q4667661 . ?s pq:P570 ?value1 . ?s pq:P569 ?value2 }