Question: When was the population of the capital city of Algeria 3415811?
Choices: 1939
1789-01-01
1945
2015-11-05
2013
1838-01-01
2010-09-15
250
2011-01-01
1839
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e_1 <capital> ?e . ?e_1 <pred:name> "Algeria" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "3415811"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Algeria
function: Relate
dependencies: 0
inputs: capital
forward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttrQualifier
dependencies: 2
inputs: population
3415811
point in time
Answer: 2011-01-01