Question: The major big city whose official name is Chemnitz had a population of 294244 at which point in time?
Choices:
1350-01-01
1990-12-31
1857
2010-03-03
2014-07-17
2014-11-30
2018-09-26
1910-12-31
1843-12-03
1881-01-01
Answer: 1990-12-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e <official_name> ?pv_1 . ?pv_1 <pred:value> "Chemnitz" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "294244"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official name
Chemnitz
function: FilterConcept
dependencies: 1
inputs: big city
function: QueryAttrQualifier
dependencies: 2
inputs: population
294244
point in time