Question: When did a geograpic region, a continent containing Riga, got its number of out-of-school children at the value of 8,386,738?
Choices: 2002-04-17
2003-03-01
2001-01-01
1978-01-01
2007-07-01
2015-05-01
2018-08-03
1922
7
2013-10-06
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "geographic region" . ?e_1 <continent> ?e . ?e_1 <pred:name> "Riga" .  ?e <number_of_out-of-school_children> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "8386738"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <number_of_out-of-school_children> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Riga
function: Relate
dependencies: 0
inputs: continent
forward
function: FilterConcept
dependencies: 1
inputs: geographic region
function: QueryAttrQualifier
dependencies: 2
inputs: number of out-of-school children
8386738
point in time
Answer: 2001-01-01