what is the {point in time} for {Charlie Rose} has {award received} as {James Madison Award} ?
on what did charlie rose receive the james madison award?
When did Charlie Rose receive the James Madison Award?
SELECT ?n WHERE { resource:Charlie_Rose property:award_received ?p . ?p property:award_received resource:James_Madison_Award . ?p property:point_in_time ?n }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q715515> .
?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/Q16987872> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q715515 p:P166 ?s . ?s ps:P166 wd:Q16987872 . ?s pq:P585 ?value}