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:
| Period | Manufacturer | Shirt main sponsor | Shirt back sponsor | Shorts sponsor | Sleeves sponsor |
| --- | --- | --- | --- | --- | --- |
| 1976–82 | Adidas | — | — | — | — |
| 1982–83 | Adidas | Citizen | — | — | — |
| 1983–85 | Zita Hellas | Nissan | — | — | — |
| 1985–89 | Zita Hellas | Ethniki Asfalistiki | — | — | — |
| 1989–92 | Diadora | Ethniki Asfalistiki | — | — | — |
| 1992–93 | Diadora | Phoenix Asfaleies | — | — | — |
| 1993–95 | Basic | Phoenix Asfaleies | — | — | — |
| 1995–96 | Kappa | Ethniki Asfalistiki | — | — | — |
| 1995–96 | Kappa | Filmnet | — | — | — |
| 1996–98 | Kappa | Geniki Bank | — | — | — |
| 1998-99 | Kappa | Firestone | — | — | — |
| 1999–00 | Kappa | Marfin | — | — | — |
| 2000–01 | Nike | Marfin | Samsung | Samsung | — |
| 2001–02 | Nike | Alpha Digital | — | — | — |
| 2002–03 | Nike | Piraeus Bank | — | — | — |
| 2003–04 | Nike | Piraeus Bank | Telestet | Telestet | — |
| 2003–04 | Nike | Piraeus Bank | TIM | TIM | — |
| 2004–05 | Nike | TIM | — | — | — |
| 2004–05 | Adidas | TIM | — | — | — |
| 2005–06 | Adidas | TIM | Diners Club | Galaxias Asfalistiki | — |
| 2006–07 | Adidas | LG Corp | Diners Club | Forthnet | — |
| 2007–08 | Puma | LG Corp | Diners Club | Forthnet | Chevrolet |
| 2008–09 | Puma | LG Corp | Diners Club | — | Chevrolet |
| 2009–10 | Puma | Diners Club | — | — | — |
| 2010–13 | Puma | Kino | International Service Oil | — | — |
Question:
Who is the Shirt Back Sponsor if the Shorts Sponsor is Telestet?
Answer:
Telestet