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 broadcast (program_id VARCHAR, time_of_day VARCHAR)
  ### Question:
  find the number of different programs that are broadcast during night time.
  ### Answer:
  SELECT COUNT(DISTINCT program_id) FROM broadcast WHERE time_of_day = 'Night'