user: Question: How manu aircraft landings when the cargo tonnes are 18 344?
Columns: ['Year', 'Total passengers', 'Passenger Change', 'Domestic', 'International (total)', 'International (non-CIS)', 'Aircraft Landings', 'Cargo (tonnes)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2000.0, '930 251', '+2%', '698 957', '231 294', '155 898', '8 619', '18 344']
SQL:

assistant: SELECT "Aircraft Landings" FROM "Table" WHERE "Cargo (tonnes)" = '18 344';