Question: Was the Christian music which originated from the United States of America founded before 1927?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "Christian music" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1927 ) .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: Christian music
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1927
<
Answer: yes