Question: How many programming languages are the programming language used on iOS?
Choices:
0
1
2
3
4
5
6
7
8
9
Answer: 3
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e_1 <programming_language> ?e . ?e_1 <pred:name> "iOS" .   }
Program:
function: Find
inputs: iOS
function: Relate
dependencies: 0
inputs: programming language
forward
function: FilterConcept
dependencies: 1
inputs: programming language
function: Count
dependencies: 2