Question: Who is the mother and what is the date of death of Pedro I who has daughter Isabel Maria de Alcântara Brasileira?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q939 p:P40 ?s . ?s ps:P40 wd:Q3154857 . ?s pq:P25 ?value1 . ?s pq:P570 ?value2 }