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_11253290_2 (viewers__millions_ VARCHAR, rank__week_ VARCHAR)
### Question:
How many viewers (millions) were there for rank (week) 20?
### Answer:
SELECT COUNT(viewers__millions_) FROM table_11253290_2 WHERE rank__week_ = "20"