what is the {start time} for {Pierre Laval} has {position held} as {Deputy Prime Minister of France} ?
When was Pierre Laval named as a Appointee Prime Serve of France?
When was Pierre Laval appointed as a Deputy Prime Minister of France?
SELECT ?b WHERE { resource:Pierre_Laval property:position_held ?v . ?v property:position_held resource:Deputy_Prime_Minister_of_France . ?v property:start_time ?b }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q151983> .
?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/Q19018261> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q151983 p:P39 ?s . ?s ps:P39 wd:Q19018261 . ?s pq:P580 ?value}