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_30 (weeks_on_chart__uk_ VARCHAR, entered_chart__uk_ VARCHAR)
### Question:
How many weeks did the single that entered the charts 14 september 2002 stay on the charts ?
### Answer:
SELECT COUNT(weeks_on_chart__uk_) FROM table_name_30 WHERE entered_chart__uk_ = "14 september 2002"