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

### Instruction:
What are the notes when castra legionaria (legion bases)  is 39-c.300 moguntiacum * (gs)?

### Inputs:
table_name: table, columns: ['Legion no and title', 'Main legion base', 'Emblem', 'Date founded/ founder', 'Date disband', 'Castra legionaria (legion bases) * = main base. Start date 31 BC if unspecified', 'Notes']

### Response:
SELECT Notes FROM table WHERE Castra legionaria (legion bases) * = main base. Start date 31 BC if unspecified = 39-c.300 Moguntiacum * (GS)