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:
| Match | Date | Competition or tour | Ground | Opponent | Score1 |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 23 August 2008 | Premier Academy League | H | Manchester United Under 18s | 0 - 0 |
| 2.0 | 30 August 2008 | Premier Academy League | A | Leeds United Under 18s | 2 - 2 |
| 3.0 | 6 September 2008 | Premier Academy League | H | Reading Under 18s | 1 - 1 |
| 4.0 | 13 September 2008 | Premier Academy League | H | Aston Villa Under 18s | 3 - 0 |
| 5.0 | 20 September 2008 | Premier Academy League | A | Birmingham Under 18s | 0 - 2 |
| 6.0 | 27 September 2008 | Premier Academy League | H | Arsenal Under 18s | 1 - 2 |
| 7.0 | 4 October 2008 | Premier Academy League | A | Portsmouth Under 18s | 0 - 2 |
| 8.0 | 11 October 2008 | Premier Academy League | H | Crystal Palace Under 18s | 0 - 0 |
| 9.0 | 18 October 2008 | Premier Academy League | H | Chelsea Under 18s | 2 - 4 |
| 10.0 | 1 November 2008 | Premier Academy League | A | Southampton Under 18s | 6 - 1 |
| 11.0 | 8 November 2008 | Premier Academy League | H | Ipswich Under 18s | 2 - 4 |
| 12.0 | 16 November 2008 | Premier Academy League | A | Charlton Athletic F.C. Under 18s | 1 - 2 |
| 13.0 | 22 November 2008 | Premier Academy League | A | Fulham Under 18s | 2 - 0 |
| 14.0 | 2 December 2008 | FA Youth Cup 3rd round | A | Nottingham Forest Under 18s | 1 - 3 |
Question:
What match number has a ground of H and the opponent Chelsea under 18s?
Answer:
9.0