Question: Who has a Snatch of 157.0?
SQL: SELECT "Name" FROM "2-17703223-7" WHERE "Snatch" = '157.0';

Question: What is the total bodyweight of everyone that has a Snatch of 153.0?
SQL: SELECT SUM("Bodyweight") FROM "2-17703223-7" WHERE "Snatch" = '153.0';