What's the size of the cylinders built by Longbottom, Barnsley?
CREATE TABLE "steam_locomotives" (
  "name" text,
  "number" text,
  "builder" text,
  "date_built" text,
  "wheel_arrangement" text,
  "driving_wheels" text,
  "cylinders" text,
  "boiler_pressure" text,
  "notes" text
);
SELECT "cylinders" FROM "steam_locomotives" WHERE "builder"='Longbottom, Barnsley';