name the tv shows related to the devil's playground and is aired on showcase ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_related dbr_The_Devil's_Playground_ attr_open 1976_film attr_close sep_dot var_uri dbo_network dbr_Showcase_ attr_open Australian_TV_channel attr_close sep_dot var_uri a dbo_TelevisionShow brack_close