user: Question: What is the total area of kruzof island?
Columns: ['Rank', "Island's Name", 'Area (sqmi)', 'Area (km 2 )', 'Location', 'Population (2000)']
Types: ['real', 'text', 'real', 'real', 'text', 'text']
Sample row: [29.0, 'Wrangell Island', 216.0, 560.0, 'Alaska', '2,401']
SQL:

assistant: SELECT "Area (km 2 )" FROM "Table" WHERE "Island's Name" = 'kruzof island';