who was the chairman of peterborough united f . c . and also 2007–08 peterborough united f . c . season ?
SELECT DISTINCT var_uri where brack_open dbr_2007–08_Peterborough_United_F.C._season dbo_chairman var_uri sep_dot dbr_Peterborough_United_F.C sep_dot dbo_chairman var_uri brack_close