What is <valid in period> of <satrap> ?
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What is satrap's availability?
SELECT DISTINCT ?o WHERE { resource:satrap property:valid_in_period ?o }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q170305> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1264> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q170305 wdt:P1264 ?answer}
Sasanian Empire Achaemenid Empire Parthian Empire