Question: Was the heavy metal style famously exemplified by Earth, Wind & Fire created later than 1846 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "heavy metal" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Earth, Wind & Fire" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1846 ) .  }
Program:
function: Find
inputs: Earth, Wind & Fire
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: heavy metal
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1846
>
Answer: yes