what is the {point in time} for {Maurice Sendak} has {award received} as {Astrid Lindgren Memorial Award} ?
Maurice Sendak received the Astrid Lingdren Memorial Award when?
When did Maurice Sendak receive the Astrid Lindgren Memorial Award?
SELECT ?m WHERE { resource:Maurice_Sendak property:award_received ?x . ?x property:award_received resource:Astrid_Lindgren_Memorial_Award . ?x property:point_in_time ?m }
select distinct ?value  where {
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?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/Q430035> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q314771 p:P166 ?s . ?s ps:P166 wd:Q430035 . ?s pq:P585 ?value}