What is {start time} and {end time} of {{Jean-Antoine-Nicolas de Caritat de Condorcet} has {position held} as {Perpetual Secretary}}
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SELECT ?k ?q WHERE { ?o property:start_time ?k . resource:Jean-Antoine-Nicolas_de_Caritat_de_Condorcet property:position_held ?o . ?o property:position_held resource:Perpetual_Secretary . ?o property:end_time ?q }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q201477> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1282146>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q201477 p:P39 ?s . ?s ps:P39 wd:Q1282146 . ?s pq:P580 ?value1 . ?s pq:P582 ?value2 }