What is {nominal GDP} of {United States of America} that is {point in time} is {2014-1-1} ?
On January 1, 2014 the nominal GDP of the United States was what?
What was the nominal GDP of the United States of America on January 1, 2014?
SELECT ?a WHERE { ?m property:nominal_GDP ?a . resource:United_States_of_America property:nominal_GDP ?m . FILTER ( CONTAINS ( YEAR ( ?e ) , '2014' ) ) . ?m property:point_in_time ?e }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q30> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2131> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <2014-1-1>
} 

SELECT ?obj WHERE { wd:Q30 p:P2131 ?s . ?s ps:P2131 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2014')) }