CREATE TABLE "waterford_limerick_railway" (
  "type" text,
  "fleet_numbers" text,
  "quantity_made" real,
  "manufacturer" text,
  "date_made" text,
  "gswr_class" real,
  "gswr_nos" text,
  "gsr_class" text,
  "inchicore_class" text,
  "withdrawn" text
);

Question: What GSR class is associated with a 0-4-2t type?
SQL: SELECT "gsr_class" FROM "waterford_limerick_railway" WHERE "type"='0-4-2t';

Question: Who manufactured fleet numbers of wlwr 2, 4, 11?
SQL: SELECT "manufacturer" FROM "waterford_limerick_railway" WHERE "fleet_numbers"='wlwr 2, 4, 11';