Question: Was the American football team whose official website is http://www.redskins.com established before 1956?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.redskins.com
function: FilterConcept
dependencies: 1
inputs: American football team
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1956
<
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "American football team" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.redskins.com" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1956 ) .  }
Answer: yes