What is the total number of N for the element with nuclide of 141 pr?
CREATE TABLE table_15366768_1 (
    n___n__ VARCHAR,
    nuclide VARCHAR
)
SELECT COUNT(n___n__) FROM table_15366768_1 WHERE nuclide = "141 Pr"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the total number of N for the element with nuclide of 141 pr? ### Input: CREATE TABLE table_15366768_1 (
    n___n__ VARCHAR,
    nuclide VARCHAR
) ### Response: SELECT COUNT(n___n__) FROM table_15366768_1 WHERE nuclide = "141 Pr"