Question: How many operating systems use https://www.apple.com/hk/en/ios/  as the official website or windowsxp as the subreddit?
Choices:
0
1
2
3
4
5
6
7
8
9
Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "operating system" .  { ?e <subreddit> ?pv . ?pv <pred:value> "windowsxp" .  } UNION { ?e <official_website> ?pv . ?pv <pred:value> "https://www.apple.com/hk/en/ios/" .  } }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: subreddit
windowsxp
function: FilterConcept
dependencies: 1
inputs: operating system
function: FindAll
function: FilterStr
dependencies: 3
inputs: official website
https://www.apple.com/hk/en/ios/
function: FilterConcept
dependencies: 4
inputs: operating system
function: Or
dependencies: 2
5
function: Count
dependencies: 6