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_25751274_2 (episode_number VARCHAR, rating VARCHAR)
  ### Question:
  How many episodes had rating/share (18-49) of 0.7/2 and a rating of 2.1?
  ### Answer:
  SELECT COUNT(episode_number) FROM table_25751274_2 WHERE rating / SHARE(18 - 49) = 0.7 / 2 AND rating = "2.1"