Question: William B. Davis is cast as which character on The X-Files, scripted by Frank Spotnitz?
Choices: Mattie Blaylock
Rupert Giles
John Abruzzi
The Smoking Man
The Emperor of China
Daniel Zavits
Mutt Williams
Josephine Earp
Xerxes
President Stone
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "The X-Files" . ?e_1 <screenwriter> ?e_3 . ?e_3 <pred:name> "Frank Spotnitz" . ?e_2 <pred:name> "William B. Davis" . ?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 Spotnitz
function: Relate
dependencies: 0
inputs: screenwriter
backward
function: Find
inputs: The X-Files
function: And
dependencies: 1
2
function: Find
inputs: William B. Davis
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: The Smoking Man