What is {date of death} and {father} of {{Abigail Adams} has {child} as {Thomas Boylston Adams}}
What was the death date of thomas boyiston adams who is Abigail adams ' father?
which was the  deathdate   of thomas  boyiston adams who's father is  abigail  adams?
SELECT ?a ?i WHERE { ?s property:father ?i . ?s property:child resource:Thomas_Boylston_Adams . resource:Abigail_Adams property:child ?s . ?s property:date_of_death ?a }
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:P570 ?value1 . ?s pq:P22 ?value2 }