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:
| Source | Date | MARTIN | GRÜNE | Others | Undecided |
| --- | --- | --- | --- | --- | --- |
| Gallup/Österreich | 2009-06-02 | 12–14% | 8–10% | – | – |
| Market/Standard | 2009-06-01 | 15% | 8% | 1% | – |
| Karmasin/Profil | 2009-05-28 | 13% | 10% | 2% | – |
| OGM/News | 2009-05-27 | 14% | 8% | 1% | – |
| IFES/Heute | 2009-05-25 | 10% | 11% | 2% | – |
| OGM/ORF | 2009-05-24 | 11% | 9% | 2% | – |
| Market/Standard | 2009-05-22 | 17% | 10% | 4% | – |
| Market/ORF-Eco | 2009-05-08 | 13% | 8% | 2% | – |
| Gallup/Österreich | 2009-05-08 | 8% | 9% | – | – |
| OGM/News | 2009-05-06 | 9% | 10% | – | – |
| Karmasin/Profil | 2009-05-02 | 9% | 9% | – | – |
| OGM/News | 2009-04-15 | 6% | 9% | 1% | – |
| Gallup/Österreich | 2009-04-04 | 6–8% | 8–10% | – | – |
| Peter Hayek/ATV | 2009-04-01 | 10% | 9% | 3% | – |
| Manova/Presse | 2009-04-01 | 3% | 13% | 2% | – |
| Gallup/Österreich | 2009-03-27 | 7–9% | 9-11% | – | – |
| Market/Standard | 2009-03-25 | 8% | 9% | 3% | – |
| Gallup/Österreich | 2009-03-13 | 7–9% | 9-11% | – | – |
| Fessel-Gfk/Presse | 2009-03-05 | 4% | 8% | – | 26% |
Question:
What is the Date when MARTIN had 8%?
Answer:
2009-05-08, 2009-03-25