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:
| Stage | Date | Course | Distance | Winner | GC Leader |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 5 September | Córdoba | 161,7 | Markus Zberg | Markus Zberg |
| 2.0 | 6 September | Córdoba - Cádiz | 234,6 | Jeroen Blijlevens | Markus Zberg |
| 3.0 | 7 September | Cádiz - Estepona | 192,6 | Jaan Kirsipuu | Laurent Jalabert |
| 4.0 | 8 September | Málaga - Granada | 173,5 | Fabrizio Guidi | Fabrizio Guidi |
| 5.0 | 9 September | Olula del Río - Murcia | 165,5 | Jeroen Blijlevens | Fabrizio Guidi |
| 6.0 | 10 September | Murcia - Xorret de Catí | 201,5 | José María Jiménez | José María Jiménez |
| 7.0 | 11 September | Alicante - Valencia | 185 | Giovanni Lombardi | José María Jiménez |
| 8.0 | 12 September | Palma de Mallorca | 181,5 | Fabrizio Guidi | José María Jiménez |
| 9.0 | 13 September | Alcudia | 39,5 ( ITT ) | Abraham Olano | Abraham Olano |
| 10.0 | 15 September | Vic - Estación de Pal (Andorra) | 199,3 | José María Jiménez | Abraham Olano |
| 11.0 | 16 September | Andorra - Cerler | 186 | José María Jiménez | Abraham Olano |
| 12.0 | 17 September | Benasque - Jaca | 187 | Gianni Bugno | Abraham Olano |
| 13.0 | 18 September | Sabiñánigo | 208,5 | Andrei Zintchenko | Abraham Olano |
| 14.0 | 19 September | Biescas - Zaragoza | 155,5 | Marcel Wüst | Abraham Olano |
| 15.0 | 20 September | Zaragoza - Soria | 178,7 | Andrei Zintchenko | Abraham Olano |
| 16.0 | 21 September | Soria - Laguna Negra de Neila | 143,7 | José María Jiménez | Abraham Olano |
| 17.0 | 22 September | Burgos - León | 188,5 | Marcel Wüst | Abraham Olano |
| 18.0 | 23 September | León - Salamanca | 223 | Fabrizio Guidi | Abraham Olano |
| 19.0 | 24 September | Ávila - Segovia | 170,4 | Roberto Heras | Abraham Olano |
| 20.0 | 25 September | Segovia - Alto de Navacerrada | 206 | Andrei Zintchenko | José María Jiménez |
| 21.0 | 26 September | Fuenlabrada | 39 ( ITT ) | Alex Zülle | Abraham Olano |
| 22.0 | 27 September | Madrid | 163 | Markus Zberg | Abraham Olano |
Question:
Who is the GC leader at ávila - segovia?
Answer:
Abraham Olano