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

### Instruction:
What is the average land area with a density of 815.48, and a Population larger than 411?

### Inputs:
table_name: table, columns: ['Urban area (locality)', 'Population', 'Land area (hectares)', 'Density (inh./km²)', 'Code']

### Response:
SELECT AVG Land area (hectares) FROM table WHERE Density (inh./km²) = 815.48 AND Population > 411