What is {total revenue} of {Berkshire Hathaway} that is {point in time} is {2015-0-0} ?
In 2015, what was the total revenue of Berkshire Hathaway?
What was Berkshire Hathaway's total revenue in 2015?
SELECT ?q WHERE { resource:Berkshire_Hathaway property:total_revenue ?h . ?h property:total_revenue ?q . ?h property:point_in_time ?l . FILTER ( CONTAINS ( YEAR ( ?l ) , '2015' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q217583> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2139> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <2015-0-0>
} 

SELECT ?obj WHERE { wd:Q217583 p:P2139 ?s . ?s ps:P2139 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2015')) }