What is the starting weight if weight lost is 54.6?
CREATE TABLE "eliminated_contestants_weigh_in" (
  "contestant" text,
  "starting_weight_kg" text,
  "final_weight_kg" text,
  "weight_lost_kg" text,
  "percentage_lost" text,
  "position_out_of_eliminated_contestants" text
);
SELECT "starting_weight_kg" FROM "eliminated_contestants_weigh_in" WHERE "weight_lost_kg"='54.6';