Question: What date was the Orson Welles short film published?
Choices: 2005-04-21
2015-12-03
2000-08-24
1968-01-01
2016-06-09
2014-07-25
2000-05-19
2015-02-07
2004-10-28
2010-08-27
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "short film" . ?e <director> ?e_1 . ?e_1 <pred:name> "Orson Welles" .  ?e <publication_date> ?pv .  }
Program:
function: Find
inputs: Orson Welles
function: Relate
dependencies: 0
inputs: director
backward
function: FilterConcept
dependencies: 1
inputs: short film
function: QueryAttr
dependencies: 2
inputs: publication date
Answer: 1968-01-01