Question: How many software instances are there as the successors of a proprietary software whose official website is https://web.archive.org/web/20090326045839/http://www.microsoft.com/windows/windows-vista/default.aspx ?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "software" . ?e <follows> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "proprietary software" . ?e_1 <official_website> ?pv . ?pv <pred:value> "https://web.archive.org/web/20090326045839/http://www.microsoft.com/windows/windows-vista/default.aspx" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
https://web.archive.org/web/20090326045839/http://www.microsoft.com/windows/windows-vista/default.aspx
function: FilterConcept
dependencies: 1
inputs: proprietary software
function: Relate
dependencies: 2
inputs: follows
backward
function: FilterConcept
dependencies: 3
inputs: software
function: Count
dependencies: 4
Answer: 1