title: how to echo this kind of query
body: <p>I search some query to Count the value of same row in my database I have <code>product_description</code> in my <code>table</code> called <code>delevery</code> where you can see list of all product and <code>quantity</code> where can see list the quantity of the product.</p>
  
  <p>I found this code but I don't know how to echo this my my webpage?</p>
  
  <pre><code>SELECT quantity, count(*) as 'count quantity' 
  FROM delivery 
  GROUP BY product_description
  </code></pre>