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_13336122_7 (original_air_date VARCHAR, us_viewers__million_ VARCHAR)
### Question:
How many episodes were seen by 0.67 million US viewers on their original air dates?
### Answer:
SELECT COUNT(original_air_date) FROM table_13336122_7 WHERE us_viewers__million_ = "0.67"