CREATE TABLE "commercial_airlines" (
  "airline" text,
  "icao" text,
  "iata" text,
  "callsign" text,
  "commenced_operations" real,
  "fleet_size" real,
  "headquarters" text
);

Question: What is the fleet size of the airline which has a callsign of cool red?
SQL: SELECT MIN("fleet_size") FROM "commercial_airlines" WHERE "callsign"='COOL RED';

Question: How large is the fleet size of the airline with the IATA code of 5j?
SQL: SELECT COUNT("fleet_size") FROM "commercial_airlines" WHERE "iata"='5J';

Question: Which year did the Angeles City based airline begin operations?
SQL: SELECT "commenced_operations" FROM "commercial_airlines" WHERE "headquarters"='Angeles City';

Question: When did the oldest airline start operations?
SQL: SELECT MIN("commenced_operations") FROM "commercial_airlines";

Question: Where is the headquarters of the airline which has the ICAO code of AAU?
SQL: SELECT "headquarters" FROM "commercial_airlines" WHERE "icao"='AAU';