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

### Instruction:
Name the average population hervey bay with population maryborough more than 11,415 and population region total less than 48,308 and population tiaro less than 2,066 and population woocoo of 491

### Inputs:
table_name: table, columns: ['Year', 'Population (Region total)', 'Population (Maryborough)', 'Population (Hervey Bay)', 'Population (Woocoo)', 'Population (Tiaro)']

### Response:
SELECT AVG Population (Hervey Bay) FROM table WHERE Population (Maryborough) > 11,415 AND Population (Region total) < 48,308 AND Population (Tiaro) < 2,066 AND Population (Woocoo) = 491