Question: Is the publication date of the film that is based on Slaughterhouse-Five (the one that was nominated for Nebula Award for Best Novel) on 1971-12-15 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <based_on> ?e_1 . ?e_1 <pred:name> "Slaughterhouse-Five" . ?e_1 <nominated_for> ?e_2 . ?e_2 <pred:name> "Nebula Award for Best Novel" .  ?e <publication_date> ?pv . ?pv <pred:date> "1971-12-15"^^xsd:date .  }
Program:
function: Find
inputs: Nebula Award for Best Novel
function: Relate
dependencies: 0
inputs: nominated for
backward
function: Find
inputs: Slaughterhouse-Five
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: based on
backward
function: FilterConcept
dependencies: 4
inputs: film
function: QueryAttr
dependencies: 5
inputs: publication date
function: VerifyDate
dependencies: 6
inputs: 1971-12-15
=
Answer: no