Question: To which county of Washington does the city of the United States whose official website is https://www.cityofvancouver.us/ belong to ?
Choices: Spokane County
Yakima County
Snohomish County
King County
Skagit County
Kitsap County
Okanogan County
San Juan County
Clark County
Whatcom County
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Washington" . ?e_1 <located_in_the_administrative_territorial_entity> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city of the United States" . ?e_1 <official_website> ?pv_1 . ?pv_1 <pred:value> "https://www.cityofvancouver.us/" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
https://www.cityofvancouver.us/
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: Relate
dependencies: 2
inputs: located in the administrative territorial entity
forward
function: FilterConcept
dependencies: 3
inputs: county of Washington
function: What
dependencies: 4
Answer: Clark County