Question: Was the release date prior to 1988 for Romeo and Juliet distributed by Rank Organisation?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Romeo and Juliet" . ?e <distributor> ?e_1 . ?e_1 <pred:name> "Rank Organisation" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1988 ) .  }
Program:
function: Find
inputs: Rank Organisation
function: Relate
dependencies: 0
inputs: distributor
backward
function: Find
inputs: Romeo and Juliet
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 1988
<