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_25042332_16 (below_50_percentage_of_median_income VARCHAR, below_40_percentage_of_median_income VARCHAR)
  ### Question:
  What percentage of the population is below 50% of the median income in the region where 10.4% of the population earns below 40% of the median income?
  ### Answer:
  SELECT COUNT(below_50_percentage_of_median_income) FROM table_25042332_16 WHERE below_40_percentage_of_median_income = "10.4%"