Question: When was Downtown, Monrovia, Liberia - panoramio (2).jpg taken in a city that is located in Liberia ?
Choices: 2014-01-01
2006-02-01
2013-12-13
2004-04-14
2009-01-14
1819-12-01
2006-05-18
2011-01-12
1909
1830-12-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <country> ?e_1 . ?e_1 <pred:name> "Liberia" .  ?e <nighttime_view> ?pv . ?pv <pred:value> "Downtown, Monrovia, Liberia - panoramio (2).jpg" . [ <pred:fact_h> ?e ; <pred:fact_r> <nighttime_view> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Liberia
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttrQualifier
dependencies: 2
inputs: nighttime view
Downtown, Monrovia, Liberia - panoramio (2).jpg
point in time
Answer: 2013-12-13