What is the lowest round for Fort Lauderdale, Florida, United States, with a win and a time of 3:38?
CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "round" real,
  "time" text,
  "location" text
);
SELECT MIN("round") FROM "mixed_martial_arts_record" WHERE "res"='win' AND "location"='fort lauderdale, florida, united states' AND "time"='3:38';