Question: Which parent of Wilhelm Ostwald is a member of the German Academy of Sciences Leopoldina?
Paraphrase: Which parent of Wilhelm Ostwald is a member of the German Academy of Sciences Leopoldina?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q12658 wdt:P40 ?answer . ?answer wdt:P463 wd:Q543804}
Answer: Wolfgang Ostwald