what is the {point in time} for {Francis Galton} has {award received} as {Copley Medal} ?
When was Francis Galton awarded the Copley Medal?
At what point in time did Francis Galton receive the Copley Medal?
SELECT ?p WHERE { ?a property:point_in_time ?p . ?a property:award_received resource:Copley_Medal . resource:Francis_Galton property:award_received ?a }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q191026> .
?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/Q28003> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q191026 p:P166 ?s . ?s ps:P166 wd:Q28003 . ?s pq:P585 ?value}