Table schema:
CREATE TABLE table_name_45 (snatch INTEGER, total__kg_ VARCHAR, clean_ VARCHAR, _jerk VARCHAR)

Question: WHAT IS THE SNATCH WITH TOTAL KG SMALLER THAN 318, AND CLEAN JERK LARGER THAN 175?
SQL: SELECT MIN(snatch) FROM table_name_45 WHERE total__kg_ < 318 AND clean_ & _jerk > 175