title: How to show in Google Form value from Google Spreadsheet
body: <p>I have connected Google Spreadsheet with Google Form but I don't know, how can I include values from Spreadsheet to Form and display them (which will be in my scenario free left space for course registration).</p>
  
  <p>explanation picture: <a href="https://drive.google.com/file/d/0B4HOotJEv18lLTNiY3ZmcGl3T3M/view?usp=sharing" rel="nofollow">https://drive.google.com/file/d/0B4HOotJEv18lLTNiY3ZmcGl3T3M/view?usp=sharing</a></p>
  
  <p>Expected outcome: course has 30 free seats for students and I want to show in my Google Form, how many free seats lefts for course registration.</p>
  
  <p>Many thanks for your help, also script example will be very welcome.</p>