Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT COUNT(n___n__) FROM table_15366768_1 WHERE nuclide = "141 Pr"