Question: Which movie features Walter Plunkett in the cast?
Choices: Rebecca
Invincible
The Merry Widow
Dilwale Dulhania Le Jayenge
Cheaper by the Dozen
Stewie Griffin: The Untold Story
Total Recall
A Prairie Home Companion
The Dictator
Pleasantville
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Walter Plunkett" .   }
Program:
function: Find
inputs: Walter Plunkett
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: What
dependencies: 2
Answer: The Merry Widow