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_27927185_1 (originalairdate VARCHAR, viewers__millions_ VARCHAR)
### Question:
What was the original air-date that had 4.77 million viewers?
### Answer:
SELECT originalairdate FROM table_27927185_1 WHERE viewers__millions_ = "4.77"