what is the {point in time} for {The Return of the Prodigal Son} has {significant event} as {sales} ?
The Return of the Prodigal Son had significant sales in what year?
When did The Return of the Prodigal Son have significant sales?
SELECT ?f WHERE { ?h property:point_in_time ?f . ?h property:significant_event resource:sales . resource:The_Return_of_the_Prodigal_Son property:significant_event ?h }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q512755> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P793> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q194189> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q512755 p:P793 ?s . ?s ps:P793 wd:Q194189 . ?s pq:P585 ?value}