Question: Which theatrical genre has Betty White as a cast member?
Choices:
farce
The Golden Girls
American Masters
comedy of manners
The Proposal
stand-up comedy
The Mary Tyler Moore Show
Mr. Smith Goes to Washington
Godzilla
The Monkees
Answer: The Golden Girls
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "theatrical genre" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Betty White" .   }
Program:
function: Find
inputs: Betty White
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: theatrical genre
function: What
dependencies: 2