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_23730973_5 (rating VARCHAR, viewers__millions_ VARCHAR)
  ### Question:
  What was the rating/share for 18-49 for the episode that had 5.90 million viewers? 
  ### Answer:
  SELECT rating / SHARE(18 - 49) FROM table_23730973_5 WHERE viewers__millions_ = "5.90"