text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_20396710_1 (points_difference VARCHAR, points_for VARCHAR)
  ### Question:
  when the points for is 139 is points difference?
  ### Answer:
  SELECT COUNT(points_difference) FROM table_20396710_1 WHERE points_for = "139"