Question: How many operating systems follow Windows Vista?
Choices:
0
1
2
3
4
5
6
7
8
9
Program:
function: Find
inputs: Windows Vista
function: Relate
dependencies: 0
inputs: follows
backward
function: FilterConcept
dependencies: 1
inputs: operating system
function: Count
dependencies: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "operating system" . ?e <follows> ?e_1 . ?e_1 <pred:name> "Windows Vista" .   }
Answer: 1