Question: How many sovereign states have the official website http://www.vietnam.gov.vn/portal/page/portal/English?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.vietnam.gov.vn/portal/page/portal/English" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.vietnam.gov.vn/portal/page/portal/English
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: Count
dependencies: 2
Answer: 1