What is {date of death} of {Alboin} that is {instance of} is {statement with Gregorian date earlier than 1584} ?
What year did Alboin die?
When did Alboin die?
SELECT ?j WHERE { ?m property:date_of_death ?j . ?m rdf:type ontology:statement_with_Gregorian_date_earlier_than_1584 . resource:Alboin property:date_of_death ?m }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q152877> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P570> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q26961029>
} 

SELECT ?obj WHERE { wd:Q152877 p:P570 ?s . ?s ps:P570 ?obj . ?s pq:P31 wd:Q26961029 }