CREATE TABLE "diesel_locomotives" (
  "number" text,
  "builder" text,
  "type" text,
  "date" text,
  "works_number" text
);

Question: What is Type, when Works Number is 75823?
SQL: SELECT "type" FROM "diesel_locomotives" WHERE "works_number"='75823';

Question: What is Date, when Type is DS4-4-750, and when Works Number is 74409?
SQL: SELECT "date" FROM "diesel_locomotives" WHERE "type"='ds4-4-750' AND "works_number"='74409';

Question: What is Works Number, when Type is RS-11, and when Number is 61?
SQL: SELECT "works_number" FROM "diesel_locomotives" WHERE "type"='rs-11' AND "number"='61';

Question: What is Builder, when Date is 1925?
SQL: SELECT "builder" FROM "diesel_locomotives" WHERE "date"='1925';

Question: What is Works Number, when Number is 55?
SQL: SELECT "works_number" FROM "diesel_locomotives" WHERE "number"='55';

Question: What is Builder, when Date is 1953?
SQL: SELECT "builder" FROM "diesel_locomotives" WHERE "date"='1953';