what is the {point in time} for {Pablo Neruda} has {award received} as {National Prize for Literature} ?
At which point in time did Pablo Neruda get awarded the National Prize for Literature?
When was Pablo Neruda awarded the National Prize for Literature?
SELECT ?b WHERE { resource:Pablo_Neruda property:award_received ?p . ?p property:point_in_time ?b . ?p property:award_received resource:National_Prize_for_Literature }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q34189> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P166> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q860699> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q34189 p:P166 ?s . ?s ps:P166 wd:Q860699 . ?s pq:P585 ?value}