user: ### NOW ANSWER:
Question: Name the rank of Birmingham Airport
Columns: ['Rank', 'Airport', 'Total Passengers', '% Change 2006/2007', 'International Passengers', 'Domestic Passengers', 'Transit Passengers', 'Aircraft Movements', 'Freight (Metric Tonnes)']
Types: ['real', 'text', 'real', 'text', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'London Heathrow', 68066028.0, '0.8%', 62098911.0, 5753476.0, 213641.0, 481476.0, 1310987.0]
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Airport" = 'Birmingham Airport';