Question: How many New Jersey counties exist within the sovereign state of Rock Island?
Choices:
12
13
14
15
16
17
18
19
20
21
Answer: 20
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of New Jersey" . ?e <country> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "sovereign state" . ?e_2 <country> ?e_1 . ?e_2 <pred:name> "Rock Island" .   }
Program:
function: Find
inputs: Rock Island
function: Relate
dependencies: 0
inputs: country
forward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: Relate
dependencies: 2
inputs: country
backward
function: FilterConcept
dependencies: 3
inputs: county of New Jersey
function: Count
dependencies: 4