Question: How many different mechanical waves originate from the United Kingdom?
Choices: 48
49
50
51
52
53
54
55
56
57
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" . ?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: mechanical wave
function: Count
dependencies: 2
Answer: 48