Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| date | tournament | surface | partner | opponents | score |
| 15 january 2007 | algiers 2 , algeria | clay | rushmi chakravarthi | barbora matusova anna savitskaya | 6 - 2 , 6 - 0 |
| 11 february 2008 | mallorca 2 , spain | clay | stephanie vogt | leticia costas - moreira maite gabarrus alonso | 7 - 6 (7 - 2) , 6 - 3 |
| 28 april 2008 | makarska , croatia | clay | stephanie vogt | tadeja majerić maša zec peškirič | 7 - 5 , 6 - 2 |
| 8 september 2008 | sarajevo 2 , bosnia - herzegovina | clay | alberta brianti | çağla büyükakçay julia glushko | 6 - 4 , 7 - 5 |
| 8 february 2010 | cali , colombia | clay | edina gallovits | estrella cabeza candella laura pous tió | 3 - 6 , 6 - 3 , |
Title:
polona hercog
Statement:
from 15 january 2007 to 8 february 2010 polona hercog only played on clay surface
Answer:
supported