what is the {point in time} for {Gianni Rodari} has {award received} as {Hans Christian Andersen Award} ?
Gianni Rodari received a Hans Christian Andersen Award on what date?
When did Gianni Rodari receive a Hans Christian Andersen Award?
SELECT ?d WHERE { resource:Gianni_Rodari property:award_received ?a . ?a property:point_in_time ?d . ?a property:award_received resource:Hans_Christian_Andersen_Award }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q193018> .
?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/Q327154> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q193018 p:P166 ?s . ?s ps:P166 wd:Q327154 . ?s pq:P585 ?value}