@prefix ex: <https://sparql.uniprot.org/.well-known/sparql-examples/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .

ex:33 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Find longest comment text associated with a UniProtKB natural variant annotation"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX up: <http://purl.uniprot.org/core/>

SELECT 
    ?annotation ?comment
WHERE {
    ?annotation a up:Natural_Variant_Annotation ;
        rdfs:comment ?comment . 
} 
ORDER BY DESC(STRLEN(?comment))""" ;
    schema:keywords "variant annotation" , "count" ;
    schema:target <https://sparql.uniprot.org/sparql/> .