title: Get number of records from a match query with py2neo
body: <p>Is there an easy way to get the number of records return from a match query using py2neo?</p>
  
  <pre><code>records = g.db.run("MATCH (n:Project) where n.id={id} and ({user} in n.users) return n", id=project_id, user=user_name)
  num_records_returned = # how do I do this?
  </code></pre>