Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What's the part number of the model with TDP of 2.9 (max.4.1~5.4) w?

### Inputs:
table_name: table, columns: ['Model number', 'Frequency', 'L1 Cache', 'FSB', 'Mult.', 'Voltage', 'TDP', 'Socket', 'Release date', 'Part number(s)', 'sSpec number']

### Response:
SELECT Part number(s) FROM table WHERE TDP = 2.9 (Max.4.1~5.4) W