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

### Instruction:
Which Prominence (m) has a Peak of nakanai mountains high point, and an Elevation (m) smaller than 2,316?

### Inputs:
table_name: table, columns: ['Rank', 'Peak', 'Country', 'Island', 'Elevation (m)', 'Prominence (m)', 'Col (m)']

### Response:
SELECT AVG Prominence (m) FROM table WHERE Peak = nakanai mountains high point AND Elevation (m) < 2,316