Question: When die Frederick William I Prussia die, and when was his son Prince Augustus William of Prussia born?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q105013 p:P40 ?s . ?s ps:P40 wd:Q213658 . ?s pq:P569 ?value1 . ?s pq:P570 ?value2 }