Question: When did the unitary state that is a basin country of the Rhine have a nominal GDP of 272493879.020643 USD?
Choices: 1976-01-01
1836-03-03
1631-01-01
1932
1965-04-13
2001-03-25
2010-08-11
1150
2006-04-19
2004-12-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "unitary state" . ?e_1 <basin_country> ?e . ?e_1 <pred:name> "Rhine" .  ?e <nominal_GDP> ?pv . ?pv <pred:unit> "United States dollar" . ?pv <pred:value> "272493879.020643"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <nominal_GDP> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Rhine
function: Relate
dependencies: 0
inputs: basin country
forward
function: FilterConcept
dependencies: 1
inputs: unitary state
function: QueryAttrQualifier
dependencies: 2
inputs: nominal GDP
272493879.020643 United States dollar
point in time
Answer: 1976-01-01