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_23117208_4 (prod_code VARCHAR, viewers__millions_ VARCHAR)
### Question:
Name the production code for 4.92 million viewers
### Answer:
SELECT prod_code FROM table_23117208_4 WHERE viewers__millions_ = "4.92"