what is the {point in time} for {Ray Bradbury} has {academic degree} as {doctor honoris causa} ?
On what date did Ray Bradbury receive his doctor honoris causa degree?
When did Ray Bradbury get the doctor honoris causa degree?
SELECT ?f WHERE { ?i property:academic_degree resource:doctor_honoris_causa . resource:Ray_Bradbury property:academic_degree ?i . ?i property:point_in_time ?f }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q40640> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P512> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q11415564> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q40640 p:P512 ?s . ?s ps:P512 wd:Q11415564 . ?s pq:P585 ?value}