Question: What is the character role of Frank Langella in Unknown (the one that has January Jones as a cast member)?
Choices: Nite Owl I
Bullseye
Mr. Eko
Catherine Martell
Robert McNamara
Kay Adams-Corleone
Josiah Bartlet
Professor Rodney Cole
Meriadoc Brandybuck
Papa Smurf
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Unknown" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "January Jones" . ?e_2 <pred:name> "Frank Langella" . ?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: January Jones
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Unknown
function: And
dependencies: 1
2
function: Find
inputs: Frank Langella
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: Professor Rodney Cole