Question: Which agency is headquartered in the city with the official website www.belfastcity.gov.uk?
Choices: The Shubert Organization
Manchester United F.C.
Girl Scouts of the USA
Ulster Unionist Party
Democratic Unionist Party
CBS Radio
FC Erzgebirge Aue
Harland and Wolff
Citigroup
Star Cinema
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.belfastcity.gov.uk/" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.belfastcity.gov.uk/
function: FilterConcept
dependencies: 1
inputs: city
function: Relate
dependencies: 2
inputs: headquarters location
backward
function: FilterConcept
dependencies: 3
inputs: agent
function: What
dependencies: 4
Answer: Harland and Wolff