title: Django select query with where clause
body: <p>Sheet_Table</p>
  
  <pre><code>id  ref_id   name   data 
  1     10      A     9078
  2     10     AAA    6789
  3     12      C     345
  </code></pre>
  
  <p>Sheet Model have multiple Columns id,ref_id,name,data </p>
  
  <p>Now i want to write this query in django 
  <br><code>select data from Sheet_Table where ref_id=10</code></p>
  
  <p>Here Model/Table name is Sheet_Table</p>