CREATE TABLE "engine_roster" (
  "locomotive_number" text,
  "model" text,
  "type" text,
  "propulsion" text,
  "manufacturer" text
);

Question: What manufacturer makes locomotive number CTN 46?
SQL: SELECT "manufacturer" FROM "engine_roster" WHERE "locomotive_number"='ctn 46';

Question: What type is locomotive number CTN 46?
SQL: SELECT "type" FROM "engine_roster" WHERE "locomotive_number"='ctn 46';

Question: What type is locomotive CTN 1364?
SQL: SELECT "type" FROM "engine_roster" WHERE "locomotive_number"='ctn 1364';