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

### Instruction:
Notre-Dame-De-Lourdes has what average area km 2?

### Inputs:
table_name: table, columns: ['Official Name', 'Status', 'Area km 2', 'Population', 'Census Ranking']

### Response:
SELECT AVG Area km 2 FROM table WHERE Official Name = notre-dame-de-lourdes