Question: How many language families have an IETF language tag of yue?
Choices:
0
1
2
3
4
5
6
7
8
9
Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "language family" . ?e <IETF_language_tag> ?pv . ?pv <pred:value> "yue" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: IETF language tag
yue
function: FilterConcept
dependencies: 1
inputs: language family
function: Count
dependencies: 2