Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Title | Entered chart (UK) | Peak position (UK) | Weeks on Chart (UK) | Sent to CBeebies Album |
| --- | --- | --- | --- | --- |
| No. 1 | 11 November 2000 | 4.0 | 23.0 | Yes |
| Best Friends Forever | 31 March 2001 | 12.0 | 10.0 | Yes |
| Do The Lollipop | 4 August 2001 | 17.0 | 8.0 | No |
| I Believe In Christmas | 15 December 2001 | 9.0 | 6.0 | No |
| Have Fun, Go Mad | 14 September 2002 | 20.0 | 7.0 | Yes |
Question:
How many weeks did the single that entered the charts 14 september 2002 stay on the charts ?
Answer:
1.0