Question: Was the Americana (produced by David Carradine) published after 1942?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: David Carradine
function: Relate
dependencies: 0
inputs: producer
backward
function: Find
inputs: Americana
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 1942
>
SPARQL: ASK { ?e <pred:name> "Americana" . ?e <producer> ?e_1 . ?e_1 <pred:name> "David Carradine" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1942 ) .  }
Answer: yes