what is the {point in time} for {Kofi Annan} has {award received} as {Confucius Peace Prize} ?
When did Kofi Annan win the Confucius Peace Prize?
When did Kofi Annan receive the award Confucius Peace Prize?
SELECT ?n WHERE { ?f property:point_in_time ?n . resource:Kofi_Annan property:award_received ?f . ?f property:award_received resource:Confucius_Peace_Prize }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1254> .
?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/Q1192712> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q1254 p:P166 ?s . ?s ps:P166 wd:Q1192712 . ?s pq:P585 ?value}