user: Question: Which Chart has a Peak Position of 1?
Columns: ['Release', 'Chart', 'Peak Position', 'Sales Total', 'Chart Run']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['July 30, 2008', 'Oricon Daily Albums Chart', 1.0, 1540088.0, '83 weeks']
SQL:

assistant: SELECT "Chart" FROM "Table" WHERE "Peak Position" = 1.0;