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

### Instruction:
When nd 2 fe 14 b (bonded) is the magnet how many measurements of tc (°c)?

### Inputs:
table_name: table, columns: ['Magnet', 'B r (T)', 'H ci (kA/m)', '(BH) max (kJ/m 3 )', 'T c (°C)']

### Response:
SELECT COUNT T c (°C) FROM table WHERE Magnet = Nd 2 Fe 14 B (bonded)