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_name_26 ( year_s__of_manufacture VARCHAR, type VARCHAR, quantity VARCHAR )

### Question ###
Which Year(s) of manufacture has a Type of 1b n2, and a Quantity of 10?

### Accurate SQL ###

SELECT year_s__of_manufacture FROM table_name_26 WHERE type = "1b n2" AND quantity = 10