CREATE TABLE "records" (
  "world_record" text,
  "snatch" text,
  "oksana_slivenko_rus" text,
  "123kg" text,
  "santo_domingo_dominican" text
);

Question: What's the 123kg of the Total world record?
SQL: SELECT "123kg" FROM "records" WHERE "world_record"='total';

Question: What's the world record when the 123kg was 275kg?
SQL: SELECT "world_record" FROM "records" WHERE "123kg"='275kg';