Question: What is the publication date of the written work whose narrative location is Appalachian Mountains?
Choices: 1995-04-20
1992-03-17
2014-07-25
1997
1995-11-16
1993-11-24
2017-05-11
2010-10-07
1993-06-18
2017-08-24
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "written work" . ?e <narrative_location> ?e_1 . ?e_1 <pred:name> "Appalachian Mountains" .  ?e <publication_date> ?pv .  }
Program:
function: Find
inputs: Appalachian Mountains
function: Relate
dependencies: 0
inputs: narrative location
backward
function: FilterConcept
dependencies: 1
inputs: written work
function: QueryAttr
dependencies: 2
inputs: publication date
Answer: 1997