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

### Instruction:
When was the coin with the mass of 3.7 g first minted?

### Inputs:
table_name: table, columns: ['Value', 'Diameter', 'Thickness', 'Mass', 'Composition', 'Edge', 'Obverse', 'Reverse', 'first minting', 'issue', 'withdrawal', 'lapse']

### Response:
SELECT first minting FROM table WHERE Mass = 3.7 g