Question: Who produced Gone with the Wind (the one that has Olivia de Havilland as a cast member)?
Choices: William Henry Harrison
Ed Asner
Sylvester Stallone
David O. Selznick
Jack Warner
Donny Osmond
William Wyler
Raymond Burr
Richard Gere
Hal B. Wallis
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <producer> ?e . ?e_1 <pred:name> "Gone with the Wind" . ?e_1 <cast_member> ?e_2 . ?e_2 <pred:name> "Olivia de Havilland" .   }
Program:
function: Find
inputs: Olivia de Havilland
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Gone with the Wind
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: producer
forward
function: FilterConcept
dependencies: 4
inputs: human
function: What
dependencies: 5
Answer: David O. Selznick