Question: When did the currency with PermID 500111 have a price of 1.3779 USD?
Choices:
1965-04-05
2013-12-31
2016-07-01
1740
2008-08-18
2006-02-01
2011-01-12
1931-01-01
1890-01-01
1893
Answer: 2013-12-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "currency" . ?e <PermID> ?pv_1 . ?pv_1 <pred:value> "500111" . ?e <price> ?pv . ?pv <pred:unit> "United States dollar" . ?pv <pred:value> "1.3779"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <price> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: PermID
500111
function: FilterConcept
dependencies: 1
inputs: currency
function: QueryAttrQualifier
dependencies: 2
inputs: price
1.3779 United States dollar
point in time