Question: Was the person who directed All Quiet on the Western Front (receiver of National Film Registry) born before 1933?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director> ?e . ?e_1 <pred:name> "All Quiet on the Western Front" . ?e_1 <award_received> ?e_2 . ?e_2 <pred:name> "National Film Registry" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1933 ) .  }
Program:
function: Find
inputs: National Film Registry
function: Relate
dependencies: 0
inputs: award received
backward
function: Find
inputs: All Quiet on the Western Front
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 birth
function: VerifyYear
dependencies: 6
inputs: 1933
<
Answer: yes