Question: What is the birthday of Abigail Adams who has a child named Abigail Adams Smith?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q206191 p:P40 ?s . ?s ps:P40 wd:Q4667661 . ?s pq:P22 ?value1 . ?s pq:P569 ?value2 }