user: Question: what is the rank when the mountain peak is Isthmus Peak?
Columns: ['Rank', 'Mountain Peak', 'Region', 'Mountain Range', 'Location']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Mount McKinley ( Denali )', 'Alaska', 'Alaska Range', '63.0690°N 151.0063°W']
SQL:

assistant: SELECT "Rank" FROM "Table" WHERE "Mountain Peak" = 'Isthmus Peak';