Question: According to this English statement, what number of art schools have a heritage designation with http://www.nps.gov/nhl/ as the official website?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "art school" . ?e <heritage_designation> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "heritage designation" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.nps.gov/nhl/" . [ <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
http://www.nps.gov/nhl/
function: QFilterStr
dependencies: 1
inputs: language of work or name
English
function: FilterConcept
dependencies: 2
inputs: heritage designation
function: Relate
dependencies: 3
inputs: heritage designation
backward
function: FilterConcept
dependencies: 4
inputs: art school
function: Count
dependencies: 5
Answer: 1