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

### Instruction:
what's the listing date for the verdigris creek bridge in royal of antelope county?

### Inputs:
table_name: table, columns: ['Name', 'Built', 'Listed', 'Location', 'County']

### Response:
SELECT Listed FROM table WHERE County = antelope AND Location = royal AND Name = verdigris creek bridge