Question: Did the television series that derives Edge of Darkness (whose production company is Icon Productions) end in 1976?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <derivative_work> ?e_1 . ?e_1 <pred:name> "Edge of Darkness" . ?e_1 <production_company> ?e_2 . ?e_2 <pred:name> "Icon Productions" .  ?e <end_time> ?pv . ?pv <pred:year> 1976 .  }
Program:
function: Find
inputs: Icon Productions
function: Relate
dependencies: 0
inputs: production company
backward
function: Find
inputs: Edge of Darkness
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: derivative work
backward
function: FilterConcept
dependencies: 4
inputs: television series
function: QueryAttr
dependencies: 5
inputs: end time
function: VerifyYear
dependencies: 6
inputs: 1976
=
Answer: no