user: Question: What is the ICAO code for the airport with RBA as its IATA code?
Columns: ['City', 'Country', 'IATA', 'ICAO', 'Airport']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Bayda', 'Libya', 'LAQ', 'HLLQ', 'La Abraq International Airport']
SQL:

assistant: SELECT "ICAO" FROM "Table" WHERE "IATA" = 'RBA';