Question: What city of the United States has the official website http://www.cityof.lawton.ok.us?
Choices:
Worcester
Waukegan
Columbus
Lawton
Franklin
Lima
Royal Oak
Lake Charles
Boca Raton
New Haven
Answer: Lawton
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.cityof.lawton.ok.us" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.cityof.lawton.ok.us
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: What
dependencies: 2