Question: Was Downton Abbey (the one whose producer is Julian Fellowes) published in 1998?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Downton Abbey" . ?e <producer> ?e_1 . ?e_1 <pred:name> "Julian Fellowes" .  ?e <publication_date> ?pv . ?pv <pred:year> 1998 .  }
Program:
function: Find
inputs: Julian Fellowes
function: Relate
dependencies: 0
inputs: producer
backward
function: Find
inputs: Downton Abbey
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 1998
=