Question: How many studio albums whose genre is hard rock or whose official website is https://www.metallica.com/releases/albums/release-4213.html?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "studio album" .  { ?e <genre> ?e_1 . ?e_1 <pred:name> "hard rock" .  } UNION { ?e <official_website> ?pv . ?pv <pred:value> "https://www.metallica.com/releases/albums/release-4213.html" .  } }
Program:
function: Find
inputs: hard rock
function: Relate
dependencies: 0
inputs: genre
backward
function: FilterConcept
dependencies: 1
inputs: studio album
function: FindAll
function: FilterStr
dependencies: 3
inputs: official website
https://www.metallica.com/releases/albums/release-4213.html
function: FilterConcept
dependencies: 4
inputs: studio album
function: Or
dependencies: 2
5
function: Count
dependencies: 6
Answer: 2