title: How to count numbers of rows in Excel data sheet?
body: <p>I have two columns:</p>
  
  <pre><code>1st model name (ABC)
  2nd model year (2013 or 2014)
  </code></pre>
  
  <p>An example of the data is like this:</p>
  
  <pre><code>model name       Model Year
  ABC                2013
  ABC                2014
  ABC                2013
  ABC                2013
  ABC                2013
  </code></pre>
  
  <p>I have more data than this.</p>
  
  <p>How can i count the total number where model <code>name = ABC</code> and model <code>year = 2013</code>?</p>