Question: When did the sovereign state that shares a border with Central African Republic (in the subject of Central African Republic–Chad border) have a nominal GDP of 1534673583.2487 United States dollars?
Choices:
2011-08-09
2014-01-12
1572
1999-01-01
1717-01-01
1738
1999-10-13
1881-01-01
2007-11-01
1982-03-29
Program:
function: Find
inputs: Central African Republic
function: Relate
dependencies: 0
inputs: shares border with
forward
function: QFilterStr
dependencies: 1
inputs: statement is subject of
Central African Republic–Chad border
function: FilterConcept
dependencies: 2
inputs: sovereign state
function: QueryAttrQualifier
dependencies: 3
inputs: nominal GDP
1534673583.2487 United States dollar
point in time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <shares_border_with> ?e . ?e_1 <pred:name> "Central African Republic" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <shares_border_with> ; <pred:fact_t> ?e ] <statement_is_subject_of> ?qpv_1 . ?qpv_1 <pred:value> "Central African Republic–Chad border" . ?e <nominal_GDP> ?pv . ?pv <pred:unit> "United States dollar" . ?pv <pred:value> "1534673583.2487"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <nominal_GDP> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Answer: 1999-01-01