CREATE TABLE "list" (
  "city" text,
  "province" text,
  "country" text,
  "iata" text,
  "airport" text
);

Question: Which city's IATA is nkg?
SQL: SELECT "city" FROM "list" WHERE "iata"='nkg';

Question: Which airport is in Xinjiang province in the city Kuqa?
SQL: SELECT "airport" FROM "list" WHERE "province"='xinjiang' AND "city"='kuqa';

Question: Which province's IATA is kix?
SQL: SELECT "province" FROM "list" WHERE "iata"='kix';

Question: Which airport's IATA is pen?
SQL: SELECT "airport" FROM "list" WHERE "iata"='pen';