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_10 (_jerk VARCHAR, clean_ INTEGER, snatch VARCHAR, total__kg_ VARCHAR)

### Question ###
Name the average clean and jerk for snatch of 140 and total kg less than 315

### Accurate SQL ###

SELECT AVG(clean_) & _jerk FROM table_name_10 WHERE snatch = 140 AND total__kg_ < 315