title: getting count of rdf:list using SPARQL
body: <p>Is this the correct/best SPARQL query to get the count of items in rdf:list: </p>
  
  <p>select (COUNT(?a) AS ?count) 
  where {?a <a href="http://www.w3.org/1999/02/22-rdf-syntax-ns#first" rel="noreferrer">http://www.w3.org/1999/02/22-rdf-syntax-ns#first</a> ?c} </p>
  
  <p>Thanks in advance for your help.</p>
  
  <p>regards,
  rahul</p>