user: Question: What is the smallest rank number of those used to rank the islands? 
Columns: ['Rank', 'Islands Name', 'Area (sqmi)', 'Area (km 2 )', 'Location', 'Population (2000)']
Types: ['real', 'text', 'real', 'real', 'text', 'text']
Sample row: [1.0, 'Hawai ʻ i (Big Island)', 4028.0, 10433.0, 'Hawaii', '148,677']
SQL:

assistant: SELECT MIN("Rank") FROM "Table";