Question: Is the origination date of the music genre whose famous person is Tom Waits after the year 1939?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Tom Waits
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: music genre
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1939
>
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "music genre" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Tom Waits" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1939 ) .  }
Answer: yes