Question: What is the publication date for the novel mostly describing the American Civil War?
Choices:
2015-03-27
1991-09-26
2008-09-07
2012-09-24
2007-03-12
1936-06-10
2015-09-14
1994-11-03
2009-12-24
2010-11-04
Answer: 1936-06-10
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "novel" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "American Civil War" .  ?e <publication_date> ?pv .  }
Program:
function: Find
inputs: American Civil War
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: novel
function: QueryAttr
dependencies: 2
inputs: publication date