what is the {start time} for {Gamal Abdel Nasser} has {position held} as {Prime Minister of Egypt} ?
On what date did Gamal Abdel Nasser start his position as Prime Minister of Egypt?
When Gamal Abdel Nasser} started his position as Prime Minister of Egypt?
SELECT ?d WHERE { ?n property:start_time ?d . resource:Gamal_Abdel_Nasser property:position_held ?n . ?n property:position_held resource:Prime_Minister_of_Egypt }
select distinct ?value  where {
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?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/Q1571396> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q39524 p:P39 ?s . ?s ps:P39 wd:Q1571396 . ?s pq:P580 ?value}