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_5 (sales__billion_ INTEGER, company VARCHAR, profits__billion_$_ VARCHAR)
  ### Question:
  What is the average sales in billions of walmart, which has more than 15.7 billion in profits?
  ### Answer:
  SELECT AVG(sales__billion_) AS $_ FROM table_name_5 WHERE company = "walmart" AND profits__billion_$_ > 15.7