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:
| Position | Race number | Sail number | Yacht | State/country | Yacht type | LOA (Metres) | Skipper | Elapsed time d:hh:mm:ss |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | X1 | 10001 | Wild Oats XI | NSW | RP100 | 30.00 | Mark Richards | 1:20:34:14 |
| 2.0 | 10 | M10 | Skandia | VIC | IRC Maxi 98 | 30.00 | Grant Wharington | 1:21:41:17 |
| 3.0 | 03 | AUS 03 | Ichi Ban | NSW | Jones 70 | 21.50 | Matt Allen | 1:22:28:10 |
| 4.0 | 100 | USA50062 | ASM Shockwave 5 | NSW | Reichel Pugh 80 | 24.40 | Andrew Short | 1:22:57:30 |
| 5.0 | 05 | AUS 98888 | Limit | WA | Reichel Pugh 62 | 19.50 | Alan Brierty | 1:23:05:58 |
| 6.0 | 66 | 52566 | Black Jack | QLD | Reichel Pugh 66 | 20.12 | Mark Bradford | 1:23:19:31 |
| 7.0 | 60 | AUS60000 | Loki | NSW | Reichel Pugh 63 | 19.20 | Stephen Ainsworth | 1:23:29:50 |
| 8.0 | 36 | 1836 | Yendys | NSW | Reichel Pugh 55 | 16.80 | Geoff Ross | 2:00:57:05 |
| 9.0 | 02 | 52002 | Quest | NSW | TP 52 | 15.84 | Bob Steel | 2:01:00:37 |
Question:
How many sail numbers for boat skippered by Geoff Ross?
Answer:
1.0