Question: When was the political party whose country is Nigeria conceived?
Choices:
1818-10-18
-4540000000
1863-06-20
1904
1757
1998-01-01
1795-04-13
1999-09-09
1711
1066
Answer: 1998-01-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "political party" . ?e <country> ?e_1 . ?e_1 <pred:name> "Nigeria" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: Nigeria
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: political party
function: QueryAttr
dependencies: 2
inputs: inception