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_30139175_3 (uk_total_viewers VARCHAR, episode_no VARCHAR)
  ### Question:
  How many viewers in the UK did episode 50 have?
  ### Answer:
  SELECT uk_total_viewers FROM table_30139175_3 WHERE episode_no = 50