Question: Which Wisconsin county uses English as an official language?
Choices: Falkland Islands
Fond du Lac County
Gambia
Fiji
Washington County
Nottingham
Manitoba
Ireland
Jackson County
Polk County
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Wisconsin" . ?e <official_language> ?e_1 . ?e_1 <pred:name> "English" .   }
Program:
function: Find
inputs: English
function: Relate
dependencies: 0
inputs: official language
backward
function: FilterConcept
dependencies: 1
inputs: county of Wisconsin
function: What
dependencies: 2
Answer: Polk County