title: Add Excel Cell to SQL Where clause
body: <p>I have the following sql query pulling data into Excel(2016) using Power Query: </p>
  
  <pre><code>Select SUM([Period Balance]) from AccountSummary 
  Where [Account Number] = '3010-0000'
  AND Year = '2018'
  AND [Period ID] = '5'
  </code></pre>
  
  <p>I want to replace '5' with an excel cell reference such as Sheet1!B1.</p>
  
  <p>Any help is much appreciated!</p>