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_15366768_1 (n___n__ VARCHAR, nuclide VARCHAR)
  ### Question:
  What is the total number of N for the element with nuclide of 141 pr?
  ### Answer:
  SELECT COUNT(n___n__) FROM table_15366768_1 WHERE nuclide = "141 Pr"