Table: airport_info_4
Columns: city
country
iata
icao
airport

Question: What Country's ICAO is VOTR?
SQL: SELECT "country" FROM airport_info_4 WHERE "icao" = 'votr'

Question: What is the City in the Maldives?
SQL: SELECT "city" FROM airport_info_4 WHERE "country" = 'maldives'

Question: What is the ICAO in India with IATA TRZ?
SQL: SELECT "icao" FROM airport_info_4 WHERE "country" = 'india' AND "iata" = 'trz'

Question: What is the Airport in Singapore?
SQL: SELECT "airport" FROM airport_info_4 WHERE "country" = 'singapore'

Question: What is the Airport with an IATA of TRZ?
SQL: SELECT "airport" FROM airport_info_4 WHERE "iata" = 'trz'