Question: What is the title of the film distributed by the National Film Board of Canada?
Choices: Neighbours
Van Helsing
The Vow
Meet Joe Black
Mutiny on the Bounty
Seabiscuit
2010
The Holy Bible
Blues Brothers 2000
Grey's Anatomy
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <distributor> ?e_1 . ?e_1 <pred:name> "National Film Board of Canada" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: National Film Board of Canada
function: Relate
dependencies: 0
inputs: distributor
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: title
Answer: Neighbours