Question: When was Frederick William I of Prussia's child Anna Amalia, Abbess of Quedlinburg born, and when did she die?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q105013 p:P40 ?s . ?s ps:P40 wd:Q237754 . ?s pq:P570 ?value1 . ?s pq:P569 ?value2 }