CREATE TABLE "transport" (
  "s_no" real,
  "company" text,
  "incorporated" real,
  "ministry" text,
  "sector" text
);

Question: What is the sector of the company with an incorporated date before 1983?
SQL: SELECT "sector" FROM "transport" WHERE "incorporated"<1983;

Question: What is the average incorporataed year of the Air India Charters company?
SQL: SELECT AVG("incorporated") FROM "transport" WHERE "company"='air india charters';