Question: What is the name of the character of Conan O'Brien as a voice actor in Futurama (the one that has Robert Wagner as a voice actor)?
Choices: Comic Book Guy
Milo Minderbinder
Hans Gruber
John Constantine
Cosmo Gordon Lang
Théoden
Gawain
Conan O'Brien
Shenzi
Jimmy Bond
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Futurama" . ?e_1 <voice_actor> ?e_3 . ?e_3 <pred:name> "Robert Wagner" . ?e_2 <pred:name> "Conan O'Brien" . ?e_1 <voice_actor> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <voice_actor> ; <pred:fact_t> ?e_2 ] <character_role> ?qpv .  }
Program:
function: Find
inputs: Robert Wagner
function: Relate
dependencies: 0
inputs: voice actor
backward
function: Find
inputs: Futurama
function: And
dependencies: 1
2
function: Find
inputs: Conan O'Brien
function: QueryRelationQualifier
dependencies: 3
4
inputs: voice actor
character role
Answer: Conan O'Brien