user: Question: What was the lowest judge rank for Danny and Frankie?
Columns: ['Rank', 'Couple', 'Judges', 'Public', 'Total', 'Vote percentage', 'Result']
Types: ['real', 'text', 'real', 'real', 'real', 'text', 'text']
Sample row: [1.0, 'Mikey and Melanie', 5.0, 7.0, 12.0, '32.8%', 'Safe']
SQL:

assistant: SELECT MIN("Judges") FROM "Table" WHERE "Couple" = 'Danny and Frankie';