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

### Instruction:
What date was proposed when the listed date was 12/16/1994 in the County of beaufort?

### Inputs:
table_name: table, columns: ['CERCLIS ID', 'Name', 'County', 'Proposed', 'Listed']

### Response:
SELECT Proposed FROM table WHERE Listed = 12/16/1994 AND County = beaufort