title: How to write a query using COUNT, GROUP BY, ORDER BY in sequelize
body: <p>I want to write a query in sequelize ORM using GROUP BY, ORDER BY, COUNT.</p>
  
  <p>Here is my SQL query :</p>
  
  <pre class="lang-sql prettyprint-override"><code>SELECT COUNT(1),
         bucket_name,
         clusterId
  FROM aidc_tenoco.output_table
  WHERE clusterId IS NOT NULL
  GROUP BY clusterId
  ORDER BY COUNT(1) DESC
  LIMIT 0,
        1
  </code></pre>
  
  <p>I want to write in sequelize please help me out.</p>