user: Question: What is the country of the airport with ICAO of WADD?
Columns: ['City', 'State/Territory', 'Country', 'IATA', 'ICAO', 'Airport']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Adelaide', 'South Australia', 'Australia', 'ADL', 'YPAD', 'Adelaide Airport']
SQL:

assistant: SELECT "Country" FROM "Table" WHERE "ICAO" = 'WADD';