title: querying fields with name containing whitespace using OData
body: <p>I have to make a $filter query on a field that's name contains whitespace. 
  Eg, 
  $filter=Ticket No eg 'abc_123'</p>
  
  <p>I'm starting to think its not possible. Can someone help me with this please?</p>
  
  <p>Thanks.</p>