What is {father} and {date of death} of {{Abigail Adams} has {child} as {Thomas Boylston Adams}}
Who was the father of Abigail Adams' child Thomas Boylston Adams, and when did the child die?
Which is the father and the date of death  of Abigail Adams child the Thomas Boylston Adams?
SELECT ?u ?z WHERE { resource:Abigail_Adams property:child ?h . ?h property:child resource:Thomas_Boylston_Adams . ?h property:date_of_death ?z . ?h property:father ?u }
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/Q7787805>. ?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:Q7787805 . ?s pq:P22 ?value1 . ?s pq:P570 ?value2 }