Question: What is the publication date of the film starring D. W. Griffith?
Choices: 1982-01-01
2004-11-24
2006-06-21
1999-05-21
1996-06-07
1936-01-01
2005-11-06
2008-11-20
1998-09-29
2007-10-24
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "D. W. Griffith" .  ?e <publication_date> ?pv .  }
Program:
function: Find
inputs: D. W. Griffith
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: publication date
Answer: 1936-01-01