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_23958944_6 (us_viewers__in_millions_ VARCHAR, production_number VARCHAR)
### Question:
Name the viewers for 520
### Answer:
SELECT us_viewers__in_millions_ FROM table_23958944_6 WHERE production_number = 520