Question: What point in time did El Salvador have a nominal GDP of 15999886400 United States dollar?
Choices: 1800-01-01
1872
2010-12-01
2002-07-01
2013-10-06
2016-05-01
2016-02-01
2011-08-01
1377
2006-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "El Salvador" . ?e <nominal_GDP> ?pv . ?pv <pred:unit> "United States dollar" . ?pv <pred:value> "15999886400"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <nominal_GDP> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: El Salvador
function: QueryAttrQualifier
dependencies: 0
inputs: nominal GDP
15999886400 United States dollar
point in time
Answer: 2006-01-01