user: Question: What is the Model Number, when the Voltage is 3.45 V, and when the Frequency is 133 MHz?
Columns: ['Model number', 'Frequency', 'L1 Cache', 'Mult.', 'Voltage']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['X5-133 ADH', '133 MHz', '16 KiB', 4.0, '3.45 V']
SQL:

assistant: SELECT "Model number" FROM "Table" WHERE "Voltage" = '3.45 V' AND "Frequency" = '133 MHz';