Question: Which is the mother and the date of birth of Charlemagne's child the Pepin of Italy?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q3044 p:P40 ?s . ?s ps:P40 wd:Q299645 . ?s pq:P25 ?value1 . ?s pq:P569 ?value2 }