Question: What US city is the capital of Oregon county (official website  http://www.co.washington.or.us, in English) ?
Choices:
Portland
Oakland
New Haven
Baltimore
Waukegan
Bend
Franklin
Hillsboro
Reno
Eugene
Answer: Hillsboro
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <capital_of> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "county of Oregon" . ?e_1 <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.co.washington.or.us" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv_1 ] <language_of_work_or_name> ?qpv . ?qpv <pred:value> "English" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.co.washington.or.us
function: QFilterStr
dependencies: 1
inputs: language of work or name
English
function: FilterConcept
dependencies: 2
inputs: county of Oregon
function: Relate
dependencies: 3
inputs: capital of
backward
function: FilterConcept
dependencies: 4
inputs: city of the United States
function: What
dependencies: 5