Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_83 (listed VARCHAR, name VARCHAR, county VARCHAR, location VARCHAR)
### Question:
what's the listing date for the verdigris creek bridge in royal of antelope county?
### Answer:
SELECT listed FROM table_name_83 WHERE county = "antelope" AND location = "royal" AND name = "verdigris creek bridge"