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_45 (netscape VARCHAR, firefox VARCHAR)
  ### Question:
  What percentage of users were using Netscape during the period in which 21.67% were using Firefox?
  ### Answer:
  SELECT netscape FROM table_name_45 WHERE firefox = "21.67%"