CREATE TABLE table_name_10 (_jerk VARCHAR, clean_ INT, snatch VARCHAR, total__kg_ VARCHAR)

Name the average clean and jerk for snatch of 140 and total kg less than 315
SELECT AVG(clean_) & _jerk FROM table_name_10 WHERE snatch = 140 AND total__kg_ < 315
SELECT AVG("clean_") & "_jerk" FROM "table_name_10" WHERE "snatch" = 140 AND "total__kg_" < 315