Question: Which person executive produced the visual artwork featuring Betty White as a cast member?
Choices:
David Robb
Danilo Donati
Dino De Laurentiis
Alex Kurtzman
Jesse Louis Lasky
Alexander Payne
Harvey Weinstein
Samuel Goldwyn
Chuck Berry
Drew Barrymore
Answer: Alex Kurtzman
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <executive_producer> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "visual artwork" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "Betty White" .   }
Program:
function: Find
inputs: Betty White
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: Relate
dependencies: 2
inputs: executive producer
forward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4