what is the {point in time} for {Santiago Ramón y Cajal} has {award received} as {Grand Cross of the Order of Isabella the Catholic} ?
On what date did Santiago Ramón y Cajal receive the award for Grand Cross of the Order of Isabella Catholic?
When did Santiago Ramón y Cajal receive the award for Grand Cross of the Order of Isabella Catholic?
SELECT ?d WHERE { ?d property:award_received resource:Grand_Cross_of_the_Order_of_Isabella_the_Catholic . ?d property:point_in_time ?d . resource:Santiago_Ramón_y_Cajal property:award_received ?d }
select distinct ?value  where {
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?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/Q17365974> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q150526 p:P166 ?s . ?s ps:P166 wd:Q17365974 . ?s pq:P585 ?value}