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_11869952_1 (derivatives VARCHAR, rocket_launch VARCHAR)
  ### Question:
  Which authority has a rocket launch called rehbar-5?
  ### Answer:
  SELECT COUNT(derivatives) FROM table_11869952_1 WHERE rocket_launch = "Rehbar-5"