Question: How much Snatch has a Total (kg) smaller than 257?
SQL: SELECT SUM("Snatch") FROM "2-17703223-4" WHERE "Total (kg)" < 257.0;

Question: Which Snatch has a Clean & Jerk of 180, and a Bodyweight smaller than 69.83?
SQL: SELECT MIN("Snatch") FROM "2-17703223-4" WHERE "Clean & Jerk" = 180.0 AND "Bodyweight" < 69.83;