what is the {start time} for {La Plata} has {named after} as {Eva Perón} ?
La Plata is when?
When does La Plata?
SELECT ?z WHERE { ?y property:start_time ?z . ?y property:named_after resource:Eva_Perón . resource:La_Plata property:named_after ?y }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q44059> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P138> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q40933> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q44059 p:P138 ?s . ?s ps:P138 wd:Q40933 . ?s pq:P580 ?value}