Question: Which metropolitan area includes a city in the United States, whose English official website is  https://www.portlandoregon.gov/?
Choices:
New York metropolitan area
Greater St. Louis
Chicago metropolitan area
Louisville metropolitan area
Portland metropolitan area
Pittsburgh metropolitan area
Seattle metropolitan area
Greater Los Angeles Area
Greater Houston
Washington metropolitan area
Answer: Portland metropolitan area
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "metropolitan area" . ?e <has_part> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city of the United States" . ?e_1 <official_website> ?pv . ?pv <pred:value> "https://www.portlandoregon.gov/" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv ] <language_of_work_or_name> ?qpv . ?qpv <pred:value> "English" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
https://www.portlandoregon.gov/
function: QFilterStr
dependencies: 1
inputs: language of work or name
English
function: FilterConcept
dependencies: 2
inputs: city of the United States
function: Relate
dependencies: 3
inputs: has part
backward
function: FilterConcept
dependencies: 4
inputs: metropolitan area
function: What
dependencies: 5