Question: What is the title of the film that has Ken Burns as a cast member?
Choices:
Stalag 17
Gettysburg
Massachusetts Institute of Technology
Bobby
Bismarck
Out of Africa
Big Miracle
All That Jazz
Holes
Rang De Basanti
Answer: Gettysburg
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Ken Burns" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: Ken Burns
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: title