Question: Was the association football club headquartered in Porto Alegre established before 1962?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Porto Alegre
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1962
<
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Porto Alegre" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1962 ) .  }
Answer: yes