Question: Which human is a cast member of Buffy the Vampire Slayer (which originally aired on The WB), playing the character role Spike?
Choices: Sylvester Stallone
James Marsters
Sarah Michelle Gellar
Seth Green
William Henry Harrison
Anthony Head
David Boreanaz
Max Fleischer
Richard Gere
David Byrne
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <cast_member> ?e . ?e_1 <pred:name> "Buffy the Vampire Slayer" . ?e_1 <original_network> ?e_2 . ?e_2 <pred:name> "The WB" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e ] <character_role> ?qpv . ?qpv <pred:value> "Spike" .  }
Program:
function: Find
inputs: The WB
function: Relate
dependencies: 0
inputs: original network
backward
function: Find
inputs: Buffy the Vampire Slayer
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: cast member
forward
function: QFilterStr
dependencies: 4
inputs: character role
Spike
function: FilterConcept
dependencies: 5
inputs: human
function: What
dependencies: 6
Answer: James Marsters