title: how to extract value in queryset and convert to string
body: <p>the output of my code is currently<br></p>
  
  <p><code>book_name = book.objects.values('book_name').filter(book_id=book_id)
   book_name =str(book_name[0])</code></p>
  
  <p>this code should give me 'Chronicles of Narnia '.<br>
  but it instead returns {'book_name': 'Chronicles of Narnia '}. how do i extract the value i need.</p>
  
  <p>*note there will only be  1 value in this query every time</p>