Question: What is James Earl Jones' role in Star Wars Episode V: The Empire Strikes Back starring Frank Oz?
Choices: Itzhak Stern
Eva Perón
Carl Gustav Jung
Mr. Potter
General Orlov
Cloud Strife
Pamela Landy
Darth Vader
John McClane
Ming the Merciless
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Star Wars Episode V: The Empire Strikes Back" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "Frank Oz" . ?e_2 <pred:name> "James Earl Jones" . ?e_1 <cast_member> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e_2 ] <character_role> ?qpv .  }
Program:
function: Find
inputs: Frank Oz
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Star Wars Episode V: The Empire Strikes Back
function: And
dependencies: 1
2
function: Find
inputs: James Earl Jones
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: Darth Vader