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

### Instruction:
What is the Element when the Nuclide is 55 mn?

### Inputs:
table_name: table, columns: ['Element', 'Nuclide', 'Z ( p )', 'N ( n )', 'isotopic mass ( u )']

### Response:
SELECT Element FROM table WHERE Nuclide = 55 mn