user: Question: What's the stepping amount for ADH4450IAA5DO?
Columns: ['Model Number', 'Stepping', 'Frequency', 'L2 Cache', 'Multi 1', 'V Core', 'Socket', 'Release Date', 'Part Number(s)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Athlon X2 3250e', 'G2', '1500MHz', '2 × 512 kB', '7.5×', '1.15 - 1.25 V', 'Socket AM2', 'Q4, 2008', 'ADJ3250IAV5DO']
SQL:

assistant: SELECT "Stepping" FROM "Table" WHERE "Part Number(s)" = 'ADH4450IAA5DO';