Question: Was a film award, won by Maggie Cheung, established after 1969 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Maggie Cheung
function: Relate
dependencies: 0
inputs: winner
backward
function: FilterConcept
dependencies: 1
inputs: film award
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1969
>
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "film award" . ?e <winner> ?e_1 . ?e_1 <pred:name> "Maggie Cheung" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1969 ) .  }
Answer: yes