user: Question: Which is the highest rank that has 8995551 boardings and deboardings?
Columns: ['Rank', 'Station', 'City', 'State', 'Boardings and deboardings']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'Penn Station', 'New York City', 'New York', 8995551.0]
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Boardings and deboardings" = 8995551.0;