Question: What is the name of the city of the United States whose official website is http://www.ci.haverhill.ma.us/ ?
Choices: Waukegan
Hillsboro
Davenport
Haverhill
New Haven
South Bend
Columbus
Danbury
Butte
Franklin
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.ci.haverhill.ma.us/" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.ci.haverhill.ma.us/
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: What
dependencies: 2
Answer: Haverhill