Question: What inception time applies to the sound which originates from South Africa?
Choices:
1882
1922-11-14
1995-01-01
1521
2002-05-20
1793
1936-01-01
1903-08-05
1934-01-01
1709-10-12
Answer: 1995-01-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sound" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "South Africa" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: South Africa
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: sound
function: QueryAttr
dependencies: 2
inputs: inception