Table: airports
Columns: city
country
iata
icao
airport

Question: What airport has an IATA of ARN?
SQL: SELECT "airport" FROM airports WHERE "iata" = 'arn'

Question: What country has an ICAO of ENZV?
SQL: SELECT "country" FROM airports WHERE "icao" = 'enzv'

Question: What airport has an ICAP of BGBW?
SQL: SELECT "airport" FROM airports WHERE "icao" = 'bgbw'

Question: What airport has an ICAO of Birk?
SQL: SELECT "airport" FROM airports WHERE "icao" = 'birk'

Question: What is the ICAO for Denmark, and the IATA is bll?
SQL: SELECT "icao" FROM airports WHERE "country" = 'denmark' AND "iata" = 'bll'