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_name_94 (viewers__millions_ VARCHAR, airdate VARCHAR, channel_4_weekly_rank_a VARCHAR)
  ### Question:
  What is the number of viewers in millions for the episode on October 10, 2008, and a Channel 4 weekly rank a smaller than 30?
  ### Answer:
  SELECT COUNT(viewers__millions_) FROM table_name_94 WHERE airdate = "october 10, 2008" AND channel_4_weekly_rank_a < 30