Question: Special example of which class is the 1st January 990's establishment of an urban area whose country is Sweden ?
Choices:
Luz de América
vehicle registration plates of Germany
official minority languages of Sweden
location identifier part of a library identifier code
sovereign state
ISO 3166-2:DE
Constitution of Spain
statement with Gregorian date earlier than 1584
New Hampshire Democratic Party
Spanish Constitution of 1812
Answer: statement with Gregorian date earlier than 1584
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "urban area of Sweden" . ?e <country> ?e_1 . ?e_1 <pred:name> "Sweden" .  ?e <inception> ?pv . ?pv <pred:date> "0990-01-01"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <inception> ; <pred:fact_t> ?pv ] <instance_of> ?qpv .  }
Program:
function: Find
inputs: Sweden
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: urban area of Sweden
function: QueryAttrQualifier
dependencies: 2
inputs: inception
0990-01-01
instance of