Question: for the political party with a headquarter location Islamabad, was Inception time prior to 1898?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "political party" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Islamabad" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1898 ) .  }
Program:
function: Find
inputs: Islamabad
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: political party
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1898
<