Question: How many forms of rock music hail from the UK?
Choices:
21
22
23
24
25
26
27
28
29
30
Answer: 25
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "rock music" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United Kingdom" .   }
Program:
function: Find
inputs: United Kingdom
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: rock music
function: Count
dependencies: 2