user: Question: What rank is Vaud with the lowest point is Lake Geneva?
Columns: ['Rank', 'Canton', 'Highest point', 'Highest elevation', 'Lowest point', 'Lowest elevation']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Valais', 'Monte Rosa (Dufourspitze)', 'm (ft)', 'Lake Geneva', 'm (ft)']
SQL:

assistant: SELECT "Rank" FROM "Table" WHERE "Lowest point" = 'Lake Geneva' AND "Canton" = 'Vaud';