Question: Did the director of Columbia Pictures-distributed The Stepford Wives die prior to 1819?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director> ?e . ?e_1 <pred:name> "The Stepford Wives" . ?e_1 <distributor> ?e_2 . ?e_2 <pred:name> "Columbia Pictures" .  ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1819 ) .  }
Program:
function: Find
inputs: Columbia Pictures
function: Relate
dependencies: 0
inputs: distributor
backward
function: Find
inputs: The Stepford Wives
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: director
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of death
function: VerifyYear
dependencies: 6
inputs: 1819
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