CREATE TABLE "industrial_diesel_shunters" (
  "number_name" text,
  "description" text,
  "livery" text,
  "owner_s" text,
  "date" text
);

Question: What owner or owners have an operational description?
SQL: SELECT "owner_s" FROM "industrial_diesel_shunters" WHERE "description"='operational';

Question: What is the date for the Operational Livery?
SQL: SELECT "date" FROM "industrial_diesel_shunters" WHERE "livery"='operational';

Question: What is the date listed for the item that has undergoing overhaul, restoration or repairs listed under description?
SQL: SELECT "date" FROM "industrial_diesel_shunters" WHERE "description"='undergoing overhaul, restoration or repairs';