Question: Frank Langella plays which character on Unknown, also featuring Diane Kruger as a cast member?
Choices: Madame Gasket
Thunderbolt Ross
Chef
Art Howe
Fernand Mondego
Éomer
Jinx Johnson
Professor Rodney Cole
Betty Draper
Sammy Jo Carrington
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Unknown" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "Diane Kruger" . ?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: Diane Kruger
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