Question: What film's director is Fred Williamson?
Choices:
Monty Python and the Holy Grail
Pleasantville
Frankenstein
Rebecca
Talk to Her
MASH
Bad Education
The Crucible
A Prairie Home Companion
Wild Wild West
Answer: MASH
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <director> ?e_1 . ?e_1 <pred:name> "Fred Williamson" .   }
Program:
function: Find
inputs: Fred Williamson
function: Relate
dependencies: 0
inputs: director
backward
function: FilterConcept
dependencies: 1
inputs: film
function: What
dependencies: 2