Question: At what point in time is 77965 the population of the capital whose official website is http://www.vdl.lu?
Choices:
2001-07-18
1998-04-18
1999
1200
2017-12-21
2011-07-01
2002-01-01
1150
1467-01-01
2004-02-29
Answer: 2002-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "capital" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.vdl.lu" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "77965"^^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 website
http://www.vdl.lu
function: FilterConcept
dependencies: 1
inputs: capital
function: QueryAttrQualifier
dependencies: 2
inputs: population
77965
point in time