CREATE TABLE "list_of_locomotives" (
  "ltsr_no" real,
  "ltsr_name" text,
  "builder" text,
  "built" real,
  "mr_no" real,
  "lms_1930_no" real,
  "br_no" real,
  "withdrawn" real
);

Question: Name the most withdrawn for 37 lstr no.
SQL: SELECT MAX("withdrawn") FROM "list_of_locomotives" WHERE "ltsr_no"=37;