What contestant had a starting BMI of 42.2?
CREATE TABLE "at_home_prize" (
  "season" text,
  "contestant" text,
  "height" text,
  "start_bmi" real,
  "start_weight" real,
  "recent_bmi" text
);
SELECT "contestant" FROM "at_home_prize" WHERE "start_bmi"=42.2;