what is the {point in time} for {Argentina} has {Human Development Index} as {0.827} ?
When the Human Development Index was recorded at 0.827 for Argentina, what was the date?
When was the Human Development Index recorded as 0.827 for Argentina?
SELECT ?i WHERE { ?q property:Human_Development_Index ?r . ?q property:point_in_time ?i . FILTER ( ?r = 0.827 ) . resource:Argentina property:Human_Development_Index ?q }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q414> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1081> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <0.827> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q414 p:P1081 ?s . ?s ps:P1081 ?x filter(contains(?x , '0.827')) . ?s pq:P585 ?value}