new_contents: from django.db.models import Transform
  
  
  class LastWord(Transform):
      """
      Split a field on space and get the last element
      """
  
      function = "LastWord"
      template = """
      (regexp_split_to_array(%(field)s, ' '))[
        array_upper(regexp_split_to_array(%(field)s, ' '), 1)
      ]
      """
  
      def __init__(self, column, output_field=None):
          super(LastWord, self).__init__(column, output_field=output_field)
  
      def as_postgresql(self, compiler, connection):
          return self.as_sql(compiler, connection)
  
subject: Add LastWord DB tranformation until