Question: When did the city of the official website www.douala-city.org record a population of 2,446,945?
Choices: 2015-01-01
1858-12-03
2005-08-17
2012
2007-09-04
2018-08-02
2011-05-18
2006-03-15
1707
1919-04-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.douala-city.org/" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2446945"^^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.douala-city.org/
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttrQualifier
dependencies: 2
inputs: population
2446945
point in time
Answer: 2012