Question: When was Rotrude, child of Charlemagne, born?
Paraphrase: The child of Charlemagne, Rotrude, was born when?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q3044 p:P40 ?s . ?s ps:P40 wd:Q269691 . ?s pq:P569 ?value1 . ?s pq:P25 ?value2 }