Question: When did the population of the US city bordering Ridgefield number 81671?
Choices:
-150
1843-12-03
2011-01-01
2002-08-01
2013-08-01
2006-11-22
1990-10-01
2013-07-01
1555
2014
Answer: 2011-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <shares_border_with> ?e . ?e_1 <pred:name> "Ridgefield" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "81671"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Ridgefield
function: Relate
dependencies: 0
inputs: shares border with
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttrQualifier
dependencies: 2
inputs: population
81671
point in time