Question: When did the population of Mauritania, that borders Algeria (Algeria-Mauritania border) reach the population of 1,021,972 ?
Choices: 1933-12-01
2001-08-22
1966-08-19
2014-11-27
1957-12-01
1996-01-24
1966
2008-12-01
2008-06-26
2011-08-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <shares_border_with> ?e . ?e_1 <pred:name> "Algeria" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <shares_border_with> ; <pred:fact_t> ?e ] <statement_is_subject_of> ?qpv_1 . ?qpv_1 <pred:value> "Algeria–Mauritania border" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "1021972"^^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: shares border with
forward
function: QFilterStr
dependencies: 1
inputs: statement is subject of
Algeria–Mauritania border
function: FilterConcept
dependencies: 2
inputs: sovereign state
function: QueryAttrQualifier
dependencies: 3
inputs: population
1021972
point in time
Answer: 1966