Question: How many mechanical wave entities were created later than 2000 or on 1920-01-01?
Choices:
0
1
2
3
4
5
6
7
8
9
Answer: 5
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" .  { ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 2000 ) .  } UNION { ?e <inception> ?pv . ?pv <pred:date> "1920-01-01"^^xsd:date .  } }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
2000
>
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: FindAll
function: FilterDate
dependencies: 3
inputs: inception
1920-01-01
=
function: FilterConcept
dependencies: 4
inputs: mechanical wave
function: Or
dependencies: 2
5
function: Count
dependencies: 6