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_1603807_2 (operator VARCHAR, line VARCHAR)
  ### Question:
  Which operator runs the Mamariga shuttle line?
  ### Answer:
  SELECT operator FROM table_1603807_2 WHERE line = "Mamariga Shuttle"