Question: Which TV series features Melvyn Douglas in the cast?
Choices: Ninotchka
Bewitched
Benjamin Franklin
The Smurfs
Boardwalk Empire
The Firm
Angel
Hud
Frasier
Being There
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Melvyn Douglas" .   }
Program:
function: Find
inputs: Melvyn Douglas
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: What
dependencies: 2
Answer: Benjamin Franklin