Question: What is the series ordinal award as NPR Top 100 Science Fiction and Fantasy Books has received for Watership Down?
Paraphrase: Watership Down's highest award as NPR Top 100 Science Fiction and Fantasy books is:
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q936801 p:P166 ?s . ?s ps:P166 wd:Q20899118 . ?s pq:P1545 ?value}