Table:
text: History of A.E.K. Athens F.C.
Kit sponsors and manufacturers
Kit sponsors and manufacturers
Period Manufacturer Shirt_main_sponsor Shirt_back_sponsor Shorts_sponsor Sleeves_sponsor
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 when the shorts sponsor is Telestet for the history of AEK Athens FC shirt sponsors and manufacturers?