Question: What person is a cast member in the character role of Ninth Doctor in the film Doctor Who (that is a famous work of Russell T Davies)?
Choices: John Hurt
Alex Kingston
Max Fleischer
Catherine Tate
David Tennant
Christopher Eccleston
Sylvester Stallone
David Byrne
William Henry Harrison
John Barrowman
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <cast_member> ?e . ?e_1 <pred:name> "Doctor Who" . ?e_2 <notable_work> ?e_1 . ?e_2 <pred:name> "Russell T Davies" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e ] <character_role> ?qpv . ?qpv <pred:value> "Ninth Doctor" .  }
Program:
function: Find
inputs: Russell T Davies
function: Relate
dependencies: 0
inputs: notable work
forward
function: Find
inputs: Doctor Who
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: cast member
forward
function: QFilterStr
dependencies: 4
inputs: character role
Ninth Doctor
function: FilterConcept
dependencies: 5
inputs: human
function: What
dependencies: 6
Answer: Christopher Eccleston