Question: Is the population of the college town that use German as the official language equal to 2.6 on 2007-12-31?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "college town" . ?e <official_language> ?e_1 . ?e_1 <pred:name> "German" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2.6"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv . ?qpv <pred:date> "2007-12-31"^^xsd:date .  }
Program:
function: Find
inputs: German
function: Relate
dependencies: 0
inputs: official language
backward
function: FilterConcept
dependencies: 1
inputs: college town
function: QueryAttrUnderCondition
dependencies: 2
inputs: population
point in time
2007-12-31
function: VerifyNum
dependencies: 3
inputs: 2.6
=