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

### Instruction:
What was the Proposed date of the entry that has a CERCLIS ID of al0001058056?

### Inputs:
table_name: table, columns: ['CERCLIS ID', 'Name', 'County', 'Proposed', 'Listed', 'Construction completed', 'Partially deleted', 'Deleted']

### Response:
SELECT Proposed FROM table WHERE CERCLIS ID = al0001058056