How many {time period} are to/by {Hellenistic period} ?
The Hellenistic period is from what time period?
What is the period of time of the  {Hellenistic period} ?
SELECT ( COUNT ( ?j ) AS ?a ) { ?j property:time_period resource:Hellenistic_period }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2348> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q428995 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P2348 wd:Q428995 }
727