Question: Was the television series Shackleton originally aired on Channel?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "television film" . ?e <original_network> ?e_1 . ?e_1 <pred:name> "Channel 4" .  ?e <title> ?pv . ?pv <pred:value> "Shackleton" .  }
Program:
function: Find
inputs: Channel 4
function: Relate
dependencies: 0
inputs: original network
backward
function: FilterConcept
dependencies: 1
inputs: television film
function: QueryAttr
dependencies: 2
inputs: title
function: VerifyStr
dependencies: 3
inputs: Shackleton
Answer: yes