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_22274142_1 (launch_date VARCHAR, transmission VARCHAR)
  ### Question:
  How many launch dates are there for digital transmission?
  ### Answer:
  SELECT COUNT(launch_date) FROM table_22274142_1 WHERE transmission = "Digital"