Question: Was the Barcelona recorded on the Hollywood Records label released post-1977 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Hollywood Records
function: Relate
dependencies: 0
inputs: record label
backward
function: Find
inputs: Barcelona
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 1977
>
SPARQL: ASK { ?e <pred:name> "Barcelona" . ?e <record_label> ?e_1 . ?e_1 <pred:name> "Hollywood Records" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1977 ) .  }
Answer: yes