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_7 (year VARCHAR, ratings VARCHAR)
### Question:
How many Years have Ratings of 10.9/23?
### Answer:
SELECT COUNT(year) FROM table_name_7 WHERE ratings = "10.9/23"