CREATE TABLE "references" (
  "city" text,
  "country" text,
  "iata" text,
  "icao" text,
  "airport" text
);

Question: What is China's IATA?
SQL: SELECT "iata" FROM "references" WHERE "country"='china';

Question: Where is the City of Douala?
SQL: SELECT "country" FROM "references" WHERE "city"='douala';

Question: Which airport is in South Africa and has a ICAO fajs?
SQL: SELECT "airport" FROM "references" WHERE "country"='south africa' AND "icao"='fajs';

Question: What is Cuba's ICAO?
SQL: SELECT "icao" FROM "references" WHERE "country"='cuba';

Question: What is Angola's airport and ICAO of fnsa?
SQL: SELECT "airport" FROM "references" WHERE "country"='angola' AND "icao"='fnsa';