Question: Is the beginning date of the American football team whose Twitter username is DallasCowboys prior to the year 1997?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "American football team" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "DallasCowboys" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1997 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
DallasCowboys
function: FilterConcept
dependencies: 1
inputs: American football team
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1997
<
Answer: yes