Question: What is the number of chemical elements whose atomic number is less than 15?
Choices:
0
1
2
3
4
5
6
7
8
9
Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "chemical element" . ?e <atomic_number> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> ?v . FILTER ( ?v < "15"^^xsd:double ) .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: atomic number
15
<
function: FilterConcept
dependencies: 1
inputs: chemical element
function: Count
dependencies: 2