code: def find_field_name(field, model=DEFAULT_MODEL, app=DEFAULT_APP, fuzziness=.5):
      
      return find_field_names(field, model, app, score_cutoff=int((1-fuzziness)*100), pad_with_none=True)[0]
docs: >>> find_field_name('date_time', model='WikiItem')
      'date'
      >>> find_field_name('$#!@', model='WikiItem')
      >>> find_field_name('date', model='WikiItem')
      'end_date_time'
      >>> find_field_name('date', model='WikiItem')
      'date_in_svc'