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_15 ( released INTEGER, pieces VARCHAR, number VARCHAR )

### Question ###
What was the earliest year with 339 pieces and a number smaller than 7198?

### Accurate SQL ###

SELECT MIN(released) FROM table_name_15 WHERE pieces = 339 AND number < 7198