Question: How many chemical elements were discovered, or invented, after 1669?
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> "chemical element" . ?e <time_of_discovery_or_invention> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1669 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: time of discovery or invention
1669
>
function: FilterConcept
dependencies: 1
inputs: chemical element
function: Count
dependencies: 2