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_40 (year INTEGER, weight__kg_ VARCHAR)
  ### Question:
  What is the sum total of all the years with a bell that weighed 857 kilograms?
  ### Answer:
  SELECT SUM(year) FROM table_name_40 WHERE weight__kg_ = "857"