CREATE TABLE "fleet_list" (
  "number_range" text,
  "introduced" text,
  "builder" text,
  "engine" text,
  "seats" text,
  "withdrawn" text
);

Question: What date was introduced where it was withdrawn 1955?
SQL: SELECT "introduced" FROM "fleet_list" WHERE "withdrawn"='1955';

Question: What engine was introduced in 1935?
SQL: SELECT "engine" FROM "fleet_list" WHERE "introduced"='1935';

Question: What is the number range for the Gloucester RCW builder introduced in 1937?
SQL: SELECT "number_range" FROM "fleet_list" WHERE "builder"='gloucester rcw' AND "introduced"='1937';