Question: Were the Pittsburgh Steelers founded pre-1973 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Pittsburgh Steelers" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1973 ) .  }
Program:
function: Find
inputs: Pittsburgh Steelers
function: QueryAttr
dependencies: 0
inputs: inception
function: VerifyYear
dependencies: 1
inputs: 1973
<
Answer: yes