Question: How many provinces of China there are whose official website is http://www.sd.gov.cn?
Choices:
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9
Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "province of China" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.sd.gov.cn" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.sd.gov.cn
function: FilterConcept
dependencies: 1
inputs: province of China
function: Count
dependencies: 2