OWL: count via a Sequence Ontology class (turn on 🧠)

SELECT (COUNT(DISTINCT ?s) AS ?sequenceFeatures) WHERE {
  ?s a obo:SO_0000110 .
}

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The query

PREFIX obo: <http://purl.obolibrary.org/obo/> SELECT (COUNT(DISTINCT ?s) AS ?sequenceFeatures) WHERE { ?s a obo:SO_0000110 . }