user: Question: what is the lowest rank when the peak position is 2, certification is Platinum and the album is My December?
Columns: ['Rank', 'Artist', 'Album', 'Peak position', 'Sales', 'Certification']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'Bon Jovi', 'Lost Highway', '1', 300000.0, '3x Platinum']
SQL:

assistant: SELECT MIN("Rank") FROM "Table" WHERE "Peak position" = '2' AND "Certification" = 'Platinum' AND "Album" = 'My December';