Question: When did Gunter Grass recieved the award of Princess of Asturias Literary Prize?
Paraphrase: Give me the date Gunter Grass received the award of Princess of Asturias Literary Prize.
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q6538 p:P166 ?s . ?s ps:P166 wd:Q3332454 . ?s pq:P585 ?value}